137340172 has 48 divisors (see below), whose sum is σ = 257191200. Its totient is φ = 64064000.

The previous prime is 137340169. The next prime is 137340173. The reversal of 137340172 is 271043731.

It is a self number, because there is not a number n which added to its sum of digits gives 137340172.

It is not an unprimeable number, because it can be changed into a prime (137340173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547047 + ... + 547297.

It is an arithmetic number, because the mean of its divisors is an integer number (5358150).

Almost surely, 2^137340172 is an apocalyptic number.

It is an amenable number.

137340172 is a deficient number, since it is larger than the sum of its proper divisors (119851028).

137340172 is a wasteful number, since it uses less digits than its factorization.

137340172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 137340172 is about 11719.2223291480. Note that the first 3 decimals coincide. The cubic root of 137340172 is about 515.9399956265.

The spelling of 137340172 in words is "one hundred thirty-seven million, three hundred forty thousand, one hundred seventy-two".