131376720127 has 4 divisors (see below), whose sum is σ = 134581030416. Its totient is φ = 128172409840.

The previous prime is 131376720113. The next prime is 131376720187. The reversal of 131376720127 is 721027673131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721027673131 = 127 ⋅5677383253.

It is a cyclic number.

It is not a de Polignac number, because 131376720127 - 2³⁵ = 97016981759 is a prime.

It is a super-2 number, since 2×131376720127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131376720127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131376720187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602155083 + ... + 1602155164.

It is an arithmetic number, because the mean of its divisors is an integer number (33645257604).

Almost surely, 2^131376720127 is an apocalyptic number.

131376720127 is a deficient number, since it is larger than the sum of its proper divisors (3204310289).

131376720127 is an equidigital number, since it uses as much as digits as its factorization.

131376720127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204310288.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 131376720127 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred twenty thousand, one hundred twenty-seven".