137355425 has 12 divisors (see below), whose sum is σ = 177726720. Its totient is φ = 105106320.

The previous prime is 137355419. The next prime is 137355431. The reversal of 137355425 is 524553731.

It is an interprime number because it is at equal distance from previous prime (137355419) and next prime (137355431).

It is a de Polignac number, because none of the positive numbers 2^k-137355425 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118865 + ... + 120014.

It is an arithmetic number, because the mean of its divisors is an integer number (14810560).

Almost surely, 2^137355425 is an apocalyptic number.

It is an amenable number.

137355425 is a deficient number, since it is larger than the sum of its proper divisors (40371295).

137355425 is a wasteful number, since it uses less digits than its factorization.

137355425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238912 (or 238907 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 137355425 is about 11719.8730795175. The cubic root of 137355425 is about 515.9590950187.

The spelling of 137355425 in words is "one hundred thirty-seven million, three hundred fifty-five thousand, four hundred twenty-five".