131577419 has 2 divisors, whose sum is σ = 131577420. Its totient is φ = 131577418.

The previous prime is 131577401. The next prime is 131577421. The reversal of 131577419 is 914775131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131577419 - 2¹⁶ = 131511883 is a prime.

It is a super-2 number, since 2×131577419² = 34625234381403122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 131577421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131579419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65788709 + 65788710.

It is an arithmetic number, because the mean of its divisors is an integer number (65788710).

Almost surely, 2^131577419 is an apocalyptic number.

131577419 is a deficient number, since it is larger than the sum of its proper divisors (1).

131577419 is an equidigital number, since it uses as much as digits as its factorization.

131577419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 131577419 is about 11470.7200732997. The cubic root of 131577419 is about 508.6204147699.

The spelling of 131577419 in words is "one hundred thirty-one million, five hundred seventy-seven thousand, four hundred nineteen".