138193762632 has 32 divisors (see below), whose sum is σ = 363667797600. Its totient is φ = 43640135424.

The previous prime is 138193762607. The next prime is 138193762661. The reversal of 138193762632 is 236267391831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151527793 + ... + 151528704.

It is an arithmetic number, because the mean of its divisors is an integer number (11364618675).

Almost surely, 2^138193762632 is an apocalyptic number.

138193762632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138193762632 is an abundant number, since it is smaller than the sum of its proper divisors (225474034968).

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

138193762632 is a wasteful number, since it uses less digits than its factorization.

138193762632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303056525 (or 303056521 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The spelling of 138193762632 in words is "one hundred thirty-eight billion, one hundred ninety-three million, seven hundred sixty-two thousand, six hundred thirty-two".