137420136 has 48 divisors (see below), whose sum is σ = 425349600. Its totient is φ = 39262752.

The previous prime is 137420123. The next prime is 137420161. The reversal of 137420136 is 631024731.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135826 + ... + 136833.

It is an arithmetic number, because the mean of its divisors is an integer number (8861450).

Almost surely, 2^137420136 is an apocalyptic number.

It is an amenable number.

137420136 is an abundant number, since it is smaller than the sum of its proper divisors (287929464).

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

137420136 is a wasteful number, since it uses less digits than its factorization.

137420136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272678 (or 272671 counting only the distinct ones).

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

The square root of 137420136 is about 11722.6334925221. The cubic root of 137420136 is about 516.0401086544.

Adding to 137420136 its reverse (631024731), we get a palindrome (768444867).

The spelling of 137420136 in words is "one hundred thirty-seven million, four hundred twenty thousand, one hundred thirty-six".