137380320 has 576 divisors, whose sum is σ = 620524800. Its totient is φ = 28062720.

The previous prime is 137380319. The next prime is 137380333. The reversal of 137380320 is 23083731.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2328451 + ... + 2328509.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^137380320 is an apocalyptic number.

137380320 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 137380320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310262400).

137380320 is an abundant number, since it is smaller than the sum of its proper divisors (483144480).

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

137380320 is a wasteful number, since it uses less digits than its factorization.

137380320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 137380320 is about 11720.9351162781. The cubic root of 137380320 is about 515.9902648244.

The spelling of 137380320 in words is "one hundred thirty-seven million, three hundred eighty thousand, three hundred twenty".