131388827 has 2 divisors, whose sum is σ = 131388828. Its totient is φ = 131388826.

The previous prime is 131388793. The next prime is 131388833. The reversal of 131388827 is 728883131.

It is a strong prime.

It is an emirp because it is prime and its reverse (728883131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131388827 - 2²⁰ = 130340251 is a prime.

It is not a weakly prime, because it can be changed into another prime (131388847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65694413 + 65694414.

It is an arithmetic number, because the mean of its divisors is an integer number (65694414).

Almost surely, 2^131388827 is an apocalyptic number.

131388827 is a deficient number, since it is larger than the sum of its proper divisors (1).

131388827 is an equidigital number, since it uses as much as digits as its factorization.

131388827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 131388827 is about 11462.4965430747. The cubic root of 131388827 is about 508.3772940094.

The spelling of 131388827 in words is "one hundred thirty-one million, three hundred eighty-eight thousand, eight hundred twenty-seven".