1587138213939 has 16 divisors (see below), whose sum is σ = 2117405122560. Its totient is φ = 1057481856000.

The previous prime is 1587138213907. The next prime is 1587138213959. The reversal of 1587138213939 is 9393128317851.

It is not a de Polignac number, because 1587138213939 - 2⁵ = 1587138213907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1587138213959) 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, 99181939 + ... + 99197939.

It is an arithmetic number, because the mean of its divisors is an integer number (132337820160).

Almost surely, 2^{1587138213939} is an apocalyptic number.

1587138213939 is a deficient number, since it is larger than the sum of its proper divisors (530266908621).

1587138213939 is a wasteful number, since it uses less digits than its factorization.

1587138213939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33010.

The product of its digits is 9797760, while the sum is 60.

The spelling of 1587138213939 in words is "one trillion, five hundred eighty-seven billion, one hundred thirty-eight million, two hundred thirteen thousand, nine hundred thirty-nine".