137640415 has 16 divisors (see below), whose sum is σ = 190784160. Its totient is φ = 94213120.

The previous prime is 137640401. The next prime is 137640431. The reversal of 137640415 is 514046731.

It is not a de Polignac number, because 137640415 - 2⁵ = 137640383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72670 + ... + 74539.

It is an arithmetic number, because the mean of its divisors is an integer number (11924010).

Almost surely, 2^137640415 is an apocalyptic number.

137640415 is a deficient number, since it is larger than the sum of its proper divisors (53143745).

137640415 is a wasteful number, since it uses less digits than its factorization.

137640415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147242.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 137640415 is about 11732.0251874943. The cubic root of 137640415 is about 516.3156920315.

The spelling of 137640415 in words is "one hundred thirty-seven million, six hundred forty thousand, four hundred fifteen".