131444557401 has 8 divisors (see below), whose sum is σ = 175289244480. Its totient is φ = 87614787632.

The previous prime is 131444557397. The next prime is 131444557427. The reversal of 131444557401 is 104755444131.

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

It is a cyclic number.

It is not a de Polignac number, because 131444557401 - 2² = 131444557397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131444557401.

It is not an unprimeable number, because it can be changed into a prime (131444557451) 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, 3708750 + ... + 3744023.

It is an arithmetic number, because the mean of its divisors is an integer number (21911155560).

Almost surely, 2^131444557401 is an apocalyptic number.

It is an amenable number.

131444557401 is a deficient number, since it is larger than the sum of its proper divisors (43844687079).

131444557401 is an equidigital number, since it uses as much as digits as its factorization.

131444557401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458655.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 131444557401 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred fifty-seven thousand, four hundred one".