138852040870587 has 16 divisors (see below), whose sum is σ = 203966274263040. Its totient is φ = 83319556476000.

The previous prime is 138852040870537. The next prime is 138852040870643. The reversal of 138852040870587 is 785078040258831.

It is not a de Polignac number, because 138852040870587 - 2²⁷ = 138851906652859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138852040870537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20829885787 + ... + 20829892452.

It is an arithmetic number, because the mean of its divisors is an integer number (12747892141440).

Almost surely, 2^{138852040870587} is an apocalyptic number.

138852040870587 is a deficient number, since it is larger than the sum of its proper divisors (65114233392453).

138852040870587 is a wasteful number, since it uses less digits than its factorization.

138852040870587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41659778354.

The product of its (nonzero) digits is 120422400, while the sum is 66.

The spelling of 138852040870587 in words is "one hundred thirty-eight trillion, eight hundred fifty-two billion, forty million, eight hundred seventy thousand, five hundred eighty-seven".