131757170642 has 8 divisors (see below), whose sum is σ = 199592545932. Its totient is φ = 65226322000.

The previous prime is 131757170569. The next prime is 131757170663. The reversal of 131757170642 is 246071757131.

131757170642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112969259881 + 18787910761 = 336109^2 + 137069^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131757170593 and 131757170602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326131409 + ... + 326131812.

Almost surely, 2^131757170642 is an apocalyptic number.

131757170642 is a deficient number, since it is larger than the sum of its proper divisors (67835375290).

131757170642 is a wasteful number, since it uses less digits than its factorization.

131757170642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652263324.

The product of its (nonzero) digits is 246960, while the sum is 44.

It can be divided in two parts, 13175 and 7170642, that added together give a palindrome (7183817).

The spelling of 131757170642 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, one hundred seventy thousand, six hundred forty-two".