131890892109377 has 4 divisors (see below), whose sum is σ = 131890917922500. Its totient is φ = 131890866296256.

The previous prime is 131890892109371. The next prime is 131890892109391. The reversal of 131890892109377 is 773901298098131.

It is a Cunningham number, because it is equal to 11484376²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3121073422336 + 128769818687041 = 1766656^2 + 11347679^2 .

It is a cyclic number.

It is not a de Polignac number, because 131890892109377 - 2⁸ = 131890892109121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131890892109371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381252 + ... + 16414997.

It is an arithmetic number, because the mean of its divisors is an integer number (32972729480625).

Almost surely, 2^{131890892109377} is an apocalyptic number.

It is an amenable number.

131890892109377 is a deficient number, since it is larger than the sum of its proper divisors (25813123).

131890892109377 is an equidigital number, since it uses as much as digits as its factorization.

131890892109377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25813122.

The product of its (nonzero) digits is 41150592, while the sum is 68.

The spelling of 131890892109377 in words is "one hundred thirty-one trillion, eight hundred ninety billion, eight hundred ninety-two million, one hundred nine thousand, three hundred seventy-seven".