137695172 has 18 divisors (see below), whose sum is σ = 255320478. Its totient is φ = 64752192.

The previous prime is 137695171. The next prime is 137695177. The reversal of 137695172 is 271596731.

137695172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129595456 + 8099716 = 11384^2 + 2846^2 .

It is not an unprimeable number, because it can be changed into a prime (137695171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96053 + ... + 97475.

It is an arithmetic number, because the mean of its divisors is an integer number (14184471).

Almost surely, 2^137695172 is an apocalyptic number.

It is an amenable number.

137695172 is a deficient number, since it is larger than the sum of its proper divisors (117625306).

137695172 is an equidigital number, since it uses as much as digits as its factorization.

137695172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 1442 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 137695172 is about 11734.3586105079. The cubic root of 137695172 is about 516.3841509699.

The spelling of 137695172 in words is "one hundred thirty-seven million, six hundred ninety-five thousand, one hundred seventy-two".