100012157139 has 16 divisors (see below), whose sum is σ = 144197756928. Its totient is φ = 61417560192.

The previous prime is 100012157137. The next prime is 100012157177. The reversal of 100012157139 is 931751210001.

It is not a de Polignac number, because 100012157139 - 2¹ = 100012157137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100012157137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20859547 + ... + 20864340.

It is an arithmetic number, because the mean of its divisors is an integer number (9012359808).

Almost surely, 2^100012157139 is an apocalyptic number.

100012157139 is a deficient number, since it is larger than the sum of its proper divisors (44185599789).

100012157139 is a wasteful number, since it uses less digits than its factorization.

100012157139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723954.

The product of its (nonzero) digits is 1890, while the sum is 30.

The spelling of 100012157139 in words is "one hundred billion, twelve million, one hundred fifty-seven thousand, one hundred thirty-nine".