131655857419 has 2 divisors, whose sum is σ = 131655857420. Its totient is φ = 131655857418.

The previous prime is 131655857401. The next prime is 131655857447. The reversal of 131655857419 is 914758556131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131655857419 is a prime.

It is a super-2 number, since 2×131655857419² (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 131655857419.

It is not a weakly prime, because it can be changed into another prime (131655857119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65827928709 + 65827928710.

It is an arithmetic number, because the mean of its divisors is an integer number (65827928710).

Almost surely, 2^131655857419 is an apocalyptic number.

131655857419 is a deficient number, since it is larger than the sum of its proper divisors (1).

131655857419 is an equidigital number, since it uses as much as digits as its factorization.

131655857419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 55.

The spelling of 131655857419 in words is "one hundred thirty-one billion, six hundred fifty-five million, eight hundred fifty-seven thousand, four hundred nineteen".