131402636322 has 32 divisors (see below), whose sum is σ = 266436848448. Its totient is φ = 43195758336.

The previous prime is 131402636317. The next prime is 131402636333. The reversal of 131402636322 is 223636204131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6083113 + ... + 6104675.

It is an arithmetic number, because the mean of its divisors is an integer number (8326151514).

Almost surely, 2^131402636322 is an apocalyptic number.

131402636322 is an abundant number, since it is smaller than the sum of its proper divisors (135034212126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131402636322 is a wasteful number, since it uses less digits than its factorization.

131402636322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35554.

The product of its (nonzero) digits is 31104, while the sum is 33.

It can be divided in two parts, 13140 and 2636322, that added together give a palindrome (2649462).

The spelling of 131402636322 in words is "one hundred thirty-one billion, four hundred two million, six hundred thirty-six thousand, three hundred twenty-two".