137139274 has 8 divisors (see below), whose sum is σ = 205779780. Its totient is φ = 68546016.

The previous prime is 137139259. The next prime is 137139281. The reversal of 137139274 is 472931731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123765625 + 13373649 = 11125^2 + 3657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3339 + ... + 16894.

Almost surely, 2^137139274 is an apocalyptic number.

137139274 is a deficient number, since it is larger than the sum of its proper divisors (68640506).

137139274 is a wasteful number, since it uses less digits than its factorization.

137139274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23624.

The product of its digits is 31752, while the sum is 37.

The square root of 137139274 is about 11710.6478898479. The cubic root of 137139274 is about 515.6883045337.

The spelling of 137139274 in words is "one hundred thirty-seven million, one hundred thirty-nine thousand, two hundred seventy-four".