137331420 has 48 divisors (see below), whose sum is σ = 394927008. Its totient is φ = 35631360.

The previous prime is 137331419. The next prime is 137331437. The reversal of 137331420 is 24133731.

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, 28711 + ... + 33150.

It is an arithmetic number, because the mean of its divisors is an integer number (8227646).

Almost surely, 2^137331420 is an apocalyptic number.

137331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137331420 is an abundant number, since it is smaller than the sum of its proper divisors (257595588).

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

137331420 is a wasteful number, since it uses less digits than its factorization.

137331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61910 (or 61908 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 137331420 is about 11718.8489195825. The cubic root of 137331420 is about 515.9290359714.

The spelling of 137331420 in words is "one hundred thirty-seven million, three hundred thirty-one thousand, four hundred twenty".