137073770 has 16 divisors (see below), whose sum is σ = 247401000. Its totient is φ = 54681024.

The previous prime is 137073757. The next prime is 137073791. The reversal of 137073770 is 77370731.

It can be written as a sum of positive squares in 4 ways, for example, as 85507009 + 51566761 = 9247^2 + 7181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137073770.

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, 14645 + ... + 22104.

Almost surely, 2^137073770 is an apocalyptic number.

137073770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137073770 is a deficient number, since it is larger than the sum of its proper divisors (110327230).

137073770 is a wasteful number, since it uses less digits than its factorization.

137073770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37129.

The product of its (nonzero) digits is 21609, while the sum is 35.

The square root of 137073770 is about 11707.8507848366. The cubic root of 137073770 is about 515.6061860047.

The spelling of 137073770 in words is "one hundred thirty-seven million, seventy-three thousand, seven hundred seventy".