137902494 has 16 divisors (see below), whose sum is σ = 290321280. Its totient is φ = 43548120.

The previous prime is 137902493. The next prime is 137902507. The reversal of 137902494 is 494209731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137902493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 604722 + ... + 604949.

It is an arithmetic number, because the mean of its divisors is an integer number (18145080).

Almost surely, 2^137902494 is an apocalyptic number.

137902494 is an abundant number, since it is smaller than the sum of its proper divisors (152418786).

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

137902494 is a wasteful number, since it uses less digits than its factorization.

137902494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209695.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 137902494 is about 11743.1892601627. The cubic root of 137902494 is about 516.6431871860.

The spelling of 137902494 in words is "one hundred thirty-seven million, nine hundred two thousand, four hundred ninety-four".