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134807940 = 22325748933
BaseRepresentation
bin10000000100100…
…00000110000100
3100101122221201200
420002100012010
5234002323230
621213222500
73224564031
oct1002200604
9311587650
10134807940
116a106223
1239191a30
1321c10017
1413c92388
15bc7d160
hex8090184

134807940 has 36 divisors (see below), whose sum is σ = 408917964. Its totient is φ = 35948736.

The previous prime is 134807927. The next prime is 134807941. The reversal of 134807940 is 49708431.

It is a happy number.

134807940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 92505924 + 42302016 = 9618^2 + 6504^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 134807895 and 134807904.

It is not an unprimeable number, because it can be changed into a prime (134807941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374287 + ... + 374646.

Almost surely, 2134807940 is an apocalyptic number.

134807940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134807940 is an abundant number, since it is smaller than the sum of its proper divisors (274110024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134807940 is a wasteful number, since it uses less digits than its factorization.

134807940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748948 (or 748943 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 134807940 is about 11610.6821505026. The cubic root of 134807940 is about 512.7493959685.

The spelling of 134807940 in words is "one hundred thirty-four million, eight hundred seven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 748933 1497866 2246799 2995732 3744665 4493598 6740397 7489330 8987196 11233995 13480794 14978660 22467990 26961588 33701985 44935980 67403970 134807940