131722414018 has 8 divisors (see below), whose sum is σ = 212782361148. Its totient is φ = 60794960304.

The previous prime is 131722414013. The next prime is 131722414069. The reversal of 131722414018 is 810414227131.

It can be written as a sum of positive squares in 2 ways, for example, as 131502692689 + 219721329 = 362633^2 + 14823^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131722414013) 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, 2533123321 + ... + 2533123372.

Almost surely, 2^131722414018 is an apocalyptic number.

131722414018 is a deficient number, since it is larger than the sum of its proper divisors (81059947130).

131722414018 is a wasteful number, since it uses less digits than its factorization.

131722414018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066246708.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 131722414018 in words is "one hundred thirty-one billion, seven hundred twenty-two million, four hundred fourteen thousand, eighteen".