138376902092 has 96 divisors (see below), whose sum is σ = 289781452800. Its totient is φ = 56988691200.

The previous prime is 138376902091. The next prime is 138376902119. The reversal of 138376902092 is 290209673831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 138376902092.

It is not an unprimeable number, because it can be changed into a prime (138376902091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9292709 + ... + 9307587.

It is an arithmetic number, because the mean of its divisors is an integer number (3018556800).

Almost surely, 2^138376902092 is an apocalyptic number.

It is an amenable number.

138376902092 is an abundant number, since it is smaller than the sum of its proper divisors (151404550708).

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

138376902092 is a wasteful number, since it uses less digits than its factorization.

138376902092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15207 (or 15205 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 138376902092 in words is "one hundred thirty-eight billion, three hundred seventy-six million, nine hundred two thousand, ninety-two".