102139868313 has 12 divisors (see below), whose sum is σ = 168611846208. Its totient is φ = 58365639000.

The previous prime is 102139868287. The next prime is 102139868351. The reversal of 102139868313 is 313868931201.

It is not a de Polignac number, because 102139868313 - 2¹⁸ = 102139606169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102139860313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810633813 + ... + 810633938.

It is an arithmetic number, because the mean of its divisors is an integer number (14050987184).

Almost surely, 2^102139868313 is an apocalyptic number.

It is an amenable number.

102139868313 is a deficient number, since it is larger than the sum of its proper divisors (66471977895).

102139868313 is a wasteful number, since it uses less digits than its factorization.

102139868313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621267764 (or 1621267761 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 102139868313 in words is "one hundred two billion, one hundred thirty-nine million, eight hundred sixty-eight thousand, three hundred thirteen".