131827359493 has 8 divisors (see below), whose sum is σ = 137126578680. Its totient is φ = 126578370240.

The previous prime is 131827359473. The next prime is 131827359523. The reversal of 131827359493 is 394953728131.

It can be written as a sum of positive squares in 4 ways, for example, as 9314759169 + 122512600324 = 96513^2 + 350018^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131827359493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131827359403) 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, 12552130 + ... + 12562627.

It is an arithmetic number, because the mean of its divisors is an integer number (17140822335).

Almost surely, 2^131827359493 is an apocalyptic number.

It is an amenable number.

131827359493 is a deficient number, since it is larger than the sum of its proper divisors (5299219187).

131827359493 is a wasteful number, since it uses less digits than its factorization.

131827359493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25114967.

The product of its digits is 4898880, while the sum is 55.

The spelling of 131827359493 in words is "one hundred thirty-one billion, eight hundred twenty-seven million, three hundred fifty-nine thousand, four hundred ninety-three".