137426725 has 36 divisors (see below), whose sum is σ = 189121824. Its totient is φ = 98855680.

The previous prime is 137426701. The next prime is 137426743. The reversal of 137426725 is 527624731.

It is a happy number.

It is not a de Polignac number, because 137426725 - 2⁵ = 137426693 is a prime.

It is a super-2 number, since 2×137426725² = 37772209488451250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165762 + ... + 166588.

It is an arithmetic number, because the mean of its divisors is an integer number (5253384).

Almost surely, 2^137426725 is an apocalyptic number.

It is an amenable number.

137426725 is a deficient number, since it is larger than the sum of its proper divisors (51695099).

137426725 is a wasteful number, since it uses less digits than its factorization.

137426725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 872 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 137426725 is about 11722.9145266866. The cubic root of 137426725 is about 516.0483561937.

The spelling of 137426725 in words is "one hundred thirty-seven million, four hundred twenty-six thousand, seven hundred twenty-five".