139938696 has 48 divisors (see below), whose sum is σ = 401298300. Its totient is φ = 43901952.

The previous prime is 139938691. The next prime is 139938707. The reversal of 139938696 is 696839931.

It can be written as a sum of positive squares in 2 ways, for example, as 132020100 + 7918596 = 11490^2 + 2814^2 .

It is a super-3 number, since 3×139938696³ (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (139938691) 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, 55941 + ... + 58388.

Almost surely, 2^139938696 is an apocalyptic number.

It is an amenable number.

139938696 is an abundant number, since it is smaller than the sum of its proper divisors (261359604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139938696 is a wasteful number, since it uses less digits than its factorization.

139938696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114358 (or 114351 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 139938696 is about 11829.5687157225. The cubic root of 139938696 is about 519.1736084869.

The spelling of 139938696 in words is "one hundred thirty-nine million, nine hundred thirty-eight thousand, six hundred ninety-six".