137190538 has 16 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 65363056.

The previous prime is 137190533. The next prime is 137190577. The reversal of 137190538 is 835091731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 137190497 and 137190506.

It is not an unprimeable number, because it can be changed into a prime (137190533) 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, 6831 + ... + 17917.

It is an arithmetic number, because the mean of its divisors is an integer number (13471920).

Almost surely, 2^137190538 is an apocalyptic number.

137190538 is a deficient number, since it is larger than the sum of its proper divisors (78360182).

137190538 is a wasteful number, since it uses less digits than its factorization.

137190538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 137190538 is about 11712.8364626166. The cubic root of 137190538 is about 515.7525529704.

The spelling of 137190538 in words is "one hundred thirty-seven million, one hundred ninety thousand, five hundred thirty-eight".