102139516686023 has 2 divisors, whose sum is σ = 102139516686024. Its totient is φ = 102139516686022.

The previous prime is 102139516685951. The next prime is 102139516686139. The reversal of 102139516686023 is 320686615931201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102139516686023 - 2²² = 102139512491719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102139516682023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51069758343011 + 51069758343012.

It is an arithmetic number, because the mean of its divisors is an integer number (51069758343012).

Almost surely, 2^{102139516686023} is an apocalyptic number.

102139516686023 is a deficient number, since it is larger than the sum of its proper divisors (1).

102139516686023 is an equidigital number, since it uses as much as digits as its factorization.

102139516686023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 102139516686023 in words is "one hundred two trillion, one hundred thirty-nine billion, five hundred sixteen million, six hundred eighty-six thousand, twenty-three".