131872479652159 has 4 divisors (see below), whose sum is σ = 137606065724016. Its totient is φ = 126138893580304.

The previous prime is 131872479652139. The next prime is 131872479652169. The reversal of 131872479652159 is 951256974278131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131872479652159 - 2⁷ = 131872479652031 is a prime.

It is a super-2 number, since 2×131872479652159² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131872479652139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866793035894 + ... + 2866793035939.

It is an arithmetic number, because the mean of its divisors is an integer number (34401516431004).

Almost surely, 2^{131872479652159} is an apocalyptic number.

131872479652159 is a deficient number, since it is larger than the sum of its proper divisors (5733586071857).

131872479652159 is an equidigital number, since it uses as much as digits as its factorization.

131872479652159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733586071856.

The product of its digits is 228614400, while the sum is 70.

The spelling of 131872479652159 in words is "one hundred thirty-one trillion, eight hundred seventy-two billion, four hundred seventy-nine million, six hundred fifty-two thousand, one hundred fifty-nine".