138002680587 has 16 divisors (see below), whose sum is σ = 186636130560. Its totient is φ = 90694812000.

The previous prime is 138002680547. The next prime is 138002680589. The reversal of 138002680587 is 785086200831.

It is not a de Polignac number, because 138002680587 - 2⁸ = 138002680331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138002680589) 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, 1103412 + ... + 1222097.

It is an arithmetic number, because the mean of its divisors is an integer number (11664758160).

Almost surely, 2^138002680587 is an apocalyptic number.

138002680587 is a deficient number, since it is larger than the sum of its proper divisors (48633449973).

138002680587 is a wasteful number, since it uses less digits than its factorization.

138002680587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325794.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 138002680587 in words is "one hundred thirty-eight billion, two million, six hundred eighty thousand, five hundred eighty-seven".