137091380 has 48 divisors (see below), whose sum is σ = 294053760. Its totient is φ = 53674368.

The previous prime is 137091377. The next prime is 137091407. The reversal of 137091380 is 83190731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352226 + ... + 352614.

It is an arithmetic number, because the mean of its divisors is an integer number (6126120).

Almost surely, 2^137091380 is an apocalyptic number.

137091380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137091380 is an abundant number, since it is smaller than the sum of its proper divisors (156962380).

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

137091380 is a wasteful number, since it uses less digits than its factorization.

137091380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 137091380 is about 11708.6028201490. The cubic root of 137091380 is about 515.6282652012.

The spelling of 137091380 in words is "one hundred thirty-seven million, ninety-one thousand, three hundred eighty".