92191139 has 2 divisors, whose sum is σ = 92191140. Its totient is φ = 92191138.

The previous prime is 92191123. The next prime is 92191201. The reversal of 92191139 is 93119129.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 92191139 - 2⁴ = 92191123 is a prime.

It is a super-2 number, since 2×92191139² = 16998412220234642, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 92191099 and 92191108.

It is not a weakly prime, because it can be changed into another prime (92191039) 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 as a sum of consecutive naturals, namely, 46095569 + 46095570.

It is an arithmetic number, because the mean of its divisors is an integer number (46095570).

Almost surely, 2^92191139 is an apocalyptic number.

92191139 is a deficient number, since it is larger than the sum of its proper divisors (1).

92191139 is an equidigital number, since it uses as much as digits as its factorization.

92191139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 35.

The square root of 92191139 is about 9601.6216859445. The cubic root of 92191139 is about 451.7481612609.

The spelling of 92191139 in words is "ninety-two million, one hundred ninety-one thousand, one hundred thirty-nine".