137994042 has 16 divisors (see below), whose sum is σ = 276973632. Its totient is φ = 45833760.

The previous prime is 137994029. The next prime is 137994067. The reversal of 137994042 is 240499731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39238 + ... + 42609.

It is an arithmetic number, because the mean of its divisors is an integer number (17310852).

Almost surely, 2^137994042 is an apocalyptic number.

137994042 is an abundant number, since it is smaller than the sum of its proper divisors (138979590).

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

137994042 is a wasteful number, since it uses less digits than its factorization.

137994042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82133.

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

The square root of 137994042 is about 11747.0865324130. The cubic root of 137994042 is about 516.7574882080.

The spelling of 137994042 in words is "one hundred thirty-seven million, nine hundred ninety-four thousand, forty-two".