139762172 has 36 divisors (see below), whose sum is σ = 274968456. Its totient is φ = 61600320.

The previous prime is 139762171. The next prime is 139762187. The reversal of 139762172 is 271267931.

139762172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139762171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476858 + ... + 477150.

Almost surely, 2^139762172 is an apocalyptic number.

It is an amenable number.

139762172 is a deficient number, since it is larger than the sum of its proper divisors (135206284).

139762172 is a wasteful number, since it uses less digits than its factorization.

139762172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 343 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 139762172 is about 11822.1052270736. The cubic root of 139762172 is about 518.9552148445.

The spelling of 139762172 in words is "one hundred thirty-nine million, seven hundred sixty-two thousand, one hundred seventy-two".