182139799 has 2 divisors, whose sum is σ = 182139800. Its totient is φ = 182139798.

The previous prime is 182139781. The next prime is 182139803. The reversal of 182139799 is 997931281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 182139799 - 2⁵ = 182139767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182139739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91069899 + 91069900.

It is an arithmetic number, because the mean of its divisors is an integer number (91069900).

Almost surely, 2^182139799 is an apocalyptic number.

182139799 is a deficient number, since it is larger than the sum of its proper divisors (1).

182139799 is an equidigital number, since it uses as much as digits as its factorization.

182139799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 49.

The square root of 182139799 is about 13495.9178643025. The cubic root of 182139799 is about 566.8501740543.

The spelling of 182139799 in words is "one hundred eighty-two million, one hundred thirty-nine thousand, seven hundred ninety-nine".