137179980 has 120 divisors (see below), whose sum is σ = 491856288. Its totient is φ = 31352832.

The previous prime is 137179951. The next prime is 137179997. The reversal of 137179980 is 89971731.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5292 + ... + 17388.

Almost surely, 2^137179980 is an apocalyptic number.

137179980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137179980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245928144).

137179980 is an abundant number, since it is smaller than the sum of its proper divisors (354676308).

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

137179980 is a wasteful number, since it uses less digits than its factorization.

137179980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125 (or 12114 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 137179980 is about 11712.3857518441. The cubic root of 137179980 is about 515.7393220892.

The spelling of 137179980 in words is "one hundred thirty-seven million, one hundred seventy-nine thousand, nine hundred eighty".