131369475619 has 2 divisors, whose sum is σ = 131369475620. Its totient is φ = 131369475618.

The previous prime is 131369475541. The next prime is 131369475631. The reversal of 131369475619 is 916574963131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131369475619 is a prime.

It is a super-2 number, since 2×131369475619² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131369475619.

It is not a weakly prime, because it can be changed into another prime (131369475649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65684737809 + 65684737810.

It is an arithmetic number, because the mean of its divisors is an integer number (65684737810).

Almost surely, 2^131369475619 is an apocalyptic number.

131369475619 is a deficient number, since it is larger than the sum of its proper divisors (1).

131369475619 is an equidigital number, since it uses as much as digits as its factorization.

131369475619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The spelling of 131369475619 in words is "one hundred thirty-one billion, three hundred sixty-nine million, four hundred seventy-five thousand, six hundred nineteen".