137371540 has 24 divisors (see below), whose sum is σ = 297787392. Its totient is φ = 53175840.

The previous prime is 137371523. The next prime is 137371561. The reversal of 137371540 is 45173731.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110164 + ... + 111403.

It is an arithmetic number, because the mean of its divisors is an integer number (12407808).

Almost surely, 2^137371540 is an apocalyptic number.

137371540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137371540 is an abundant number, since it is smaller than the sum of its proper divisors (160415852).

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

137371540 is a wasteful number, since it uses less digits than its factorization.

137371540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221607 (or 221605 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 137371540 is about 11720.5605667988. The cubic root of 137371540 is about 515.9792722479.

The spelling of 137371540 in words is "one hundred thirty-seven million, three hundred seventy-one thousand, five hundred forty".