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134103440 = 2459371789
BaseRepresentation
bin1111111111001…
…00000110010000
3100100100011100002
413333210012100
5233312302230
621150145132
73215601062
oct777440620
9310304302
10134103440
1169774999
1238ab21a8
1321a24463
1413b4b732
15bb8e545
hex7fe4190

134103440 has 40 divisors (see below), whose sum is σ = 312297720. Its totient is φ = 53554176.

The previous prime is 134103439. The next prime is 134103461. The reversal of 134103440 is 44301431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13191424 + 120912016 = 3632^2 + 10996^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74066 + ... + 75854.

It is an arithmetic number, because the mean of its divisors is an integer number (7807443).

Almost surely, 2134103440 is an apocalyptic number.

134103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134103440 is an abundant number, since it is smaller than the sum of its proper divisors (178194280).

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

134103440 is a wasteful number, since it uses less digits than its factorization.

134103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134103440 is about 11580.3039683767. The cubic root of 134103440 is about 511.8546340249.

Adding to 134103440 its reverse (44301431), we get a palindrome (178404871).

The spelling of 134103440 in words is "one hundred thirty-four million, one hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 937 1789 1874 3578 3748 4685 7156 7496 8945 9370 14312 14992 17890 18740 28624 35780 37480 71560 74960 143120 1676293 3352586 6705172 8381465 13410344 16762930 26820688 33525860 67051720 134103440