131396099 has 2 divisors, whose sum is σ = 131396100. Its totient is φ = 131396098.

The previous prime is 131396087. The next prime is 131396113. The reversal of 131396099 is 990693131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131396099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131396059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65698049 + 65698050.

It is an arithmetic number, because the mean of its divisors is an integer number (65698050).

Almost surely, 2^131396099 is an apocalyptic number.

131396099 is a deficient number, since it is larger than the sum of its proper divisors (1).

131396099 is an equidigital number, since it uses as much as digits as its factorization.

131396099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 131396099 is about 11462.8137470693. The cubic root of 131396099 is about 508.3866729182.

The spelling of 131396099 in words is "one hundred thirty-one million, three hundred ninety-six thousand, ninety-nine".