137397804 has 24 divisors (see below), whose sum is σ = 320851440. Its totient is φ = 45762624.

The previous prime is 137397787. The next prime is 137397809. The reversal of 137397804 is 408793731.

It is not an unprimeable number, because it can be changed into a prime (137397809) 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, 14082 + ... + 21750.

It is an arithmetic number, because the mean of its divisors is an integer number (13368810).

Almost surely, 2^137397804 is an apocalyptic number.

It is an amenable number.

137397804 is an abundant number, since it is smaller than the sum of its proper divisors (183453636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137397804 is a wasteful number, since it uses less digits than its factorization.

137397804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169 (or 9167 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 137397804 is about 11721.6809374765. The cubic root of 137397804 is about 516.0121534305.

The spelling of 137397804 in words is "one hundred thirty-seven million, three hundred ninety-seven thousand, eight hundred four".