137497746 has 32 divisors (see below), whose sum is σ = 282205440. Its totient is φ = 44637264.

The previous prime is 137497691. The next prime is 137497769. The reversal of 137497746 is 647794731.

It is a junction number, because it is equal to n+sod(n) for n = 137497695 and 137497704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134425 + ... + 135443.

It is an arithmetic number, because the mean of its divisors is an integer number (8818920).

Almost surely, 2^137497746 is an apocalyptic number.

137497746 is an abundant number, since it is smaller than the sum of its proper divisors (144707694).

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

137497746 is a wasteful number, since it uses less digits than its factorization.

137497746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590.

The product of its digits is 889056, while the sum is 48.

The square root of 137497746 is about 11725.9432882818. The cubic root of 137497746 is about 516.1372373984.

The spelling of 137497746 in words is "one hundred thirty-seven million, four hundred ninety-seven thousand, seven hundred forty-six".