137436940 has 24 divisors (see below), whose sum is σ = 289118592. Its totient is φ = 54879360.

The previous prime is 137436931. The next prime is 137436941. The reversal of 137436940 is 49634731.

It is a self number, because there is not a number n which added to its sum of digits gives 137436940.

It is not an unprimeable number, because it can be changed into a prime (137436941) by changing a digit.

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, 6480 + ... + 17800.

It is an arithmetic number, because the mean of its divisors is an integer number (12046608).

Almost surely, 2^137436940 is an apocalyptic number.

137436940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137436940 is an abundant number, since it is smaller than the sum of its proper divisors (151681652).

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

137436940 is a wasteful number, since it uses less digits than its factorization.

137436940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937 (or 11935 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 137436940 is about 11723.3502037600. The cubic root of 137436940 is about 516.0611419246.

The spelling of 137436940 in words is "one hundred thirty-seven million, four hundred thirty-six thousand, nine hundred forty".