131261852179 has 4 divisors (see below), whose sum is σ = 131357455776. Its totient is φ = 131166248584.

The previous prime is 131261852153. The next prime is 131261852209. The reversal of 131261852179 is 971258162131.

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 131261852179 - 2¹³ = 131261843987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131261852129) 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, 47799739 + ... + 47802484.

It is an arithmetic number, because the mean of its divisors is an integer number (32839363944).

Almost surely, 2^131261852179 is an apocalyptic number.

131261852179 is a deficient number, since it is larger than the sum of its proper divisors (95603597).

131261852179 is an equidigital number, since it uses as much as digits as its factorization.

131261852179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95603596.

The product of its digits is 181440, while the sum is 46.

The spelling of 131261852179 in words is "one hundred thirty-one billion, two hundred sixty-one million, eight hundred fifty-two thousand, one hundred seventy-nine".