131444601406 has 8 divisors (see below), whose sum is σ = 199662685920. Its totient is φ = 64890372768.

The previous prime is 131444601403. The next prime is 131444601439. The reversal of 131444601406 is 604106444131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444601403) 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, 415963771 + ... + 415964086.

It is an arithmetic number, because the mean of its divisors is an integer number (24957835740).

Almost surely, 2^131444601406 is an apocalyptic number.

131444601406 is a deficient number, since it is larger than the sum of its proper divisors (68218084514).

131444601406 is an equidigital number, since it uses as much as digits as its factorization.

131444601406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831927938.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 131444601406 in words is "one hundred thirty-one billion, four hundred forty-four million, six hundred one thousand, four hundred six".