131406204899 has 2 divisors, whose sum is σ = 131406204900. Its totient is φ = 131406204898.

The previous prime is 131406204889. The next prime is 131406205033. The reversal of 131406204899 is 998402604131.

It is a weak prime.

It is an emirp because it is prime and its reverse (998402604131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131406204899 - 2³⁶ = 62686728163 is a prime.

It is not a weakly prime, because it can be changed into another prime (131406204889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65703102449 + 65703102450.

It is an arithmetic number, because the mean of its divisors is an integer number (65703102450).

Almost surely, 2^131406204899 is an apocalyptic number.

131406204899 is a deficient number, since it is larger than the sum of its proper divisors (1).

131406204899 is an equidigital number, since it uses as much as digits as its factorization.

131406204899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 131406204899 in words is "one hundred thirty-one billion, four hundred six million, two hundred four thousand, eight hundred ninety-nine".