137434872 has 32 divisors (see below), whose sum is σ = 352875600. Its totient is φ = 44573184.

The previous prime is 137434861. The next prime is 137434879. The reversal of 137434872 is 278434731.

It is a self number, because there is not a number n which added to its sum of digits gives 137434872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137434879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76497 + ... + 78272.

Almost surely, 2^137434872 is an apocalyptic number.

137434872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137434872 is an abundant number, since it is smaller than the sum of its proper divisors (215440728).

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

137434872 is a wasteful number, since it uses less digits than its factorization.

137434872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154815 (or 154811 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 137434872 is about 11723.2620033846. The cubic root of 137434872 is about 516.0585535380.

The spelling of 137434872 in words is "one hundred thirty-seven million, four hundred thirty-four thousand, eight hundred seventy-two".