105031488139 has 2 divisors, whose sum is σ = 105031488140. Its totient is φ = 105031488138.

The previous prime is 105031488113. The next prime is 105031488179. The reversal of 105031488139 is 931884130501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105031488139 is a prime.

It is a super-2 number, since 2×105031488139² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105031488095 and 105031488104.

It is not a weakly prime, because it can be changed into another prime (105031488179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515744069 + 52515744070.

It is an arithmetic number, because the mean of its divisors is an integer number (52515744070).

Almost surely, 2^105031488139 is an apocalyptic number.

105031488139 is a deficient number, since it is larger than the sum of its proper divisors (1).

105031488139 is an equidigital number, since it uses as much as digits as its factorization.

105031488139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 105031488139 in words is "one hundred five billion, thirty-one million, four hundred eighty-eight thousand, one hundred thirty-nine".