139848172 has 12 divisors (see below), whose sum is σ = 248882760. Its totient is φ = 68738816.

The previous prime is 139848167. The next prime is 139848263. The reversal of 139848172 is 271848931.

It is a super-2 number, since 2×139848172² = 39115022423483168, which contains 22 as substring.

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, 296053 + ... + 296524.

It is an arithmetic number, because the mean of its divisors is an integer number (20740230).

Almost surely, 2^139848172 is an apocalyptic number.

It is an amenable number.

139848172 is a deficient number, since it is larger than the sum of its proper divisors (109034588).

139848172 is a wasteful number, since it uses less digits than its factorization.

139848172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592640 (or 592638 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 139848172 is about 11825.7419217570. The cubic root of 139848172 is about 519.0616361001.

The spelling of 139848172 in words is "one hundred thirty-nine million, eight hundred forty-eight thousand, one hundred seventy-two".