137404 has 6 divisors (see below), whose sum is σ = 240464. Its totient is φ = 68700.

The previous prime is 137399. The next prime is 137413. The reversal of 137404 is 404731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172 + ... + 17179.

2¹³⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

137404 is a deficient number, since it is larger than the sum of its proper divisors (103060).

137404 is a wasteful number, since it uses less digits than its factorization.

137404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34355 (or 34353 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 137404 is about 370.6804553790. The cubic root of 137404 is about 51.6019909894.

The spelling of 137404 in words is "one hundred thirty-seven thousand, four hundred four".