131376442421 has 8 divisors (see below), whose sum is σ = 150168138240. Its totient is φ = 112590654768.

The previous prime is 131376442399. The next prime is 131376442427. The reversal of 131376442421 is 124244673131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131376442421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131376442427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429286 + ... + 1518423.

It is an arithmetic number, because the mean of its divisors is an integer number (18771017280).

Almost surely, 2^131376442421 is an apocalyptic number.

It is an amenable number.

131376442421 is a deficient number, since it is larger than the sum of its proper divisors (18791695819).

131376442421 is an equidigital number, since it uses as much as digits as its factorization.

131376442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954083.

The product of its digits is 96768, while the sum is 38.

The spelling of 131376442421 in words is "one hundred thirty-one billion, three hundred seventy-six million, four hundred forty-two thousand, four hundred twenty-one".