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134951957 = 719278851
BaseRepresentation
bin10000000101100…
…11010000010101
3100101221021021122
420002303100111
5234021430312
621220253325
73226033640
oct1002632025
9311837248
10134951957
116a1a4448
1239241245
1321c6073a
1413ccca57
15bcaab72
hex80b3415

134951957 has 4 divisors (see below), whose sum is σ = 154230816. Its totient is φ = 115673100.

The previous prime is 134951911. The next prime is 134951963. The reversal of 134951957 is 759159431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134951957 - 26 = 134951893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134951977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9639419 + ... + 9639432.

It is an arithmetic number, because the mean of its divisors is an integer number (38557704).

Almost surely, 2134951957 is an apocalyptic number.

It is an amenable number.

134951957 is a deficient number, since it is larger than the sum of its proper divisors (19278859).

134951957 is an equidigital number, since it uses as much as digits as its factorization.

134951957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278858.

The product of its digits is 170100, while the sum is 44.

The square root of 134951957 is about 11616.8824131089. The cubic root of 134951957 is about 512.9319231722.

The spelling of 134951957 in words is "one hundred thirty-four million, nine hundred fifty-one thousand, nine hundred fifty-seven".

Divisors: 1 7 19278851 134951957