138851747135576 has 8 divisors (see below), whose sum is σ = 260347025879220. Its totient is φ = 69425873567784.

The previous prime is 138851747135539. The next prime is 138851747135599. The reversal of 138851747135576 is 675531747158831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8678234195966 + ... + 8678234195981.

Almost surely, 2^{138851747135576} is an apocalyptic number.

It is an amenable number.

138851747135576 is a deficient number, since it is larger than the sum of its proper divisors (121495278743644).

138851747135576 is a wasteful number, since it uses less digits than its factorization.

138851747135576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17356468391953 (or 17356468391949 counting only the distinct ones).

The product of its digits is 592704000, while the sum is 71.

The spelling of 138851747135576 in words is "one hundred thirty-eight trillion, eight hundred fifty-one billion, seven hundred forty-seven million, one hundred thirty-five thousand, five hundred seventy-six".