82941139 has 2 divisors, whose sum is σ = 82941140. Its totient is φ = 82941138.

The previous prime is 82941121. The next prime is 82941163. The reversal of 82941139 is 93114928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82941139 - 2¹⁷ = 82810067 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82941098 and 82941107.

It is not a weakly prime, because it can be changed into another prime (82941119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41470569 + 41470570.

It is an arithmetic number, because the mean of its divisors is an integer number (41470570).

Almost surely, 2^82941139 is an apocalyptic number.

82941139 is a deficient number, since it is larger than the sum of its proper divisors (1).

82941139 is an equidigital number, since it uses as much as digits as its factorization.

82941139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 82941139 is about 9107.2025891599. The cubic root of 82941139 is about 436.1039279647.

The spelling of 82941139 in words is "eighty-two million, nine hundred forty-one thousand, one hundred thirty-nine".