131407019 has 2 divisors, whose sum is σ = 131407020. Its totient is φ = 131407018.

The previous prime is 131406973. The next prime is 131407037. The reversal of 131407019 is 910704131.

It is a strong prime.

It is an emirp because it is prime and its reverse (910704131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131407019 - 2²⁴ = 114629803 is a prime.

It is a super-2 number, since 2×131407019² = 34535609284932722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131407039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65703509 + 65703510.

It is an arithmetic number, because the mean of its divisors is an integer number (65703510).

Almost surely, 2^131407019 is an apocalyptic number.

131407019 is a deficient number, since it is larger than the sum of its proper divisors (1).

131407019 is an equidigital number, since it uses as much as digits as its factorization.

131407019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 131407019 is about 11463.2900600133. The cubic root of 131407019 is about 508.4007561082.

The spelling of 131407019 in words is "one hundred thirty-one million, four hundred seven thousand, nineteen".