131184978627 has 4 divisors (see below), whose sum is σ = 174913304840. Its totient is φ = 87456652416.

The previous prime is 131184978611. The next prime is 131184978641. The reversal of 131184978627 is 726879481131.

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

It is not a de Polignac number, because 131184978627 - 2⁴ = 131184978611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131184978527) 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, 21864163102 + ... + 21864163107.

It is an arithmetic number, because the mean of its divisors is an integer number (43728326210).

Almost surely, 2^131184978627 is an apocalyptic number.

131184978627 is a deficient number, since it is larger than the sum of its proper divisors (43728326213).

131184978627 is an equidigital number, since it uses as much as digits as its factorization.

131184978627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43728326212.

The product of its digits is 4064256, while the sum is 57.

The spelling of 131184978627 in words is "one hundred thirty-one billion, one hundred eighty-four million, nine hundred seventy-eight thousand, six hundred twenty-seven".