105652139 has 2 divisors, whose sum is σ = 105652140. Its totient is φ = 105652138.

The previous prime is 105652081. The next prime is 105652153. The reversal of 105652139 is 931256501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105652139 - 2⁸ = 105651883 is a prime.

It is a super-2 number, since 2×105652139² = 22324748950550642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105652159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52826069 + 52826070.

It is an arithmetic number, because the mean of its divisors is an integer number (52826070).

Almost surely, 2^105652139 is an apocalyptic number.

105652139 is a deficient number, since it is larger than the sum of its proper divisors (1).

105652139 is an equidigital number, since it uses as much as digits as its factorization.

105652139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 105652139 is about 10278.7226346468. The cubic root of 105652139 is about 472.7440788908.

The spelling of 105652139 in words is "one hundred five million, six hundred fifty-two thousand, one hundred thirty-nine".