137440304 has 20 divisors (see below), whose sum is σ = 267460560. Its totient is φ = 68418240.

The previous prime is 137440301. The next prime is 137440327. The reversal of 137440304 is 403044731.

It is a super-2 number, since 2×137440304² = 37779674327224832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137440301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15092 + ... + 22419.

It is an arithmetic number, because the mean of its divisors is an integer number (13373028).

Almost surely, 2^137440304 is an apocalyptic number.

It is an amenable number.

137440304 is a deficient number, since it is larger than the sum of its proper divisors (130020256).

137440304 is a wasteful number, since it uses less digits than its factorization.

137440304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37748 (or 37742 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 137440304 is about 11723.4936772278. The cubic root of 137440304 is about 516.0653523781.

The spelling of 137440304 in words is "one hundred thirty-seven million, four hundred forty thousand, three hundred four".