138876696 has 48 divisors (see below), whose sum is σ = 429858000. Its totient is φ = 39678912.

The previous prime is 138876667. The next prime is 138876697. The reversal of 138876696 is 696678831.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138876697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137271 + ... + 138278.

It is an arithmetic number, because the mean of its divisors is an integer number (8955375).

Almost surely, 2^138876696 is an apocalyptic number.

It is an amenable number.

138876696 is an abundant number, since it is smaller than the sum of its proper divisors (290981304).

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

138876696 is a wasteful number, since it uses less digits than its factorization.

138876696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275568 (or 275561 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 138876696 is about 11784.5957079571. The cubic root of 138876696 is about 517.8569294259.

The spelling of 138876696 in words is "one hundred thirty-eight million, eight hundred seventy-six thousand, six hundred ninety-six".