138822696 has 24 divisors (see below), whose sum is σ = 375978330. Its totient is φ = 46274208.

The previous prime is 138822689. The next prime is 138822751. The reversal of 138822696 is 696228831.

138822696 is a `hidden beast` number, since 1 + 388 + 2 + 269 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 27941796 = 10530^2 + 5286^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 963975 + ... + 964118.

Almost surely, 2^138822696 is an apocalyptic number.

It is an amenable number.

138822696 is an abundant number, since it is smaller than the sum of its proper divisors (237155634).

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

138822696 is a wasteful number, since it uses less digits than its factorization.

138822696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928105 (or 1928098 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 138822696 is about 11782.3043586558. The cubic root of 138822696 is about 517.7898005740.

The spelling of 138822696 in words is "one hundred thirty-eight million, eight hundred twenty-two thousand, six hundred ninety-six".