139616915090 has 32 divisors (see below), whose sum is σ = 255602805120. Its totient is φ = 54900825984.

The previous prime is 139616915077. The next prime is 139616915093. The reversal of 139616915090 is 90519616931.

It is not an unprimeable number, because it can be changed into a prime (139616915093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353600 + ... + 635819.

It is an arithmetic number, because the mean of its divisors is an integer number (7987587660).

Almost surely, 2^139616915090 is an apocalyptic number.

139616915090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139616915090 is a deficient number, since it is larger than the sum of its proper divisors (115985890030).

139616915090 is a wasteful number, since it uses less digits than its factorization.

139616915090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989666.

The product of its (nonzero) digits is 393660, while the sum is 50.

The spelling of 139616915090 in words is "one hundred thirty-nine billion, six hundred sixteen million, nine hundred fifteen thousand, ninety".