137881804 has 6 divisors (see below), whose sum is σ = 241293164. Its totient is φ = 68940900.

The previous prime is 137881801. The next prime is 137881813. The reversal of 137881804 is 408188731.

137881804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137881804² = 38022783748588832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137881801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17235222 + ... + 17235229.

Almost surely, 2^137881804 is an apocalyptic number.

It is an amenable number.

137881804 is a deficient number, since it is larger than the sum of its proper divisors (103411360).

137881804 is a wasteful number, since it uses less digits than its factorization.

137881804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34470455 (or 34470453 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 137881804 is about 11742.3082909622. The cubic root of 137881804 is about 516.6173479575.

The spelling of 137881804 in words is "one hundred thirty-seven million, eight hundred eighty-one thousand, eight hundred four".