137804080 has 20 divisors (see below), whose sum is σ = 320394672. Its totient is φ = 55121600.

The previous prime is 137804077. The next prime is 137804089. The reversal of 137804080 is 80408731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (137804089) 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, 861196 + ... + 861355.

Almost surely, 2^137804080 is an apocalyptic number.

137804080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137804080 is an abundant number, since it is smaller than the sum of its proper divisors (182590592).

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

137804080 is a wasteful number, since it uses less digits than its factorization.

137804080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722564 (or 1722558 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 137804080 is about 11738.9982536842. The cubic root of 137804080 is about 516.5202572783.

The spelling of 137804080 in words is "one hundred thirty-seven million, eight hundred four thousand, eighty".