131862851 has 2 divisors, whose sum is σ = 131862852. Its totient is φ = 131862850.

The previous prime is 131862821. The next prime is 131862877. The reversal of 131862851 is 158268131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131862851 is a prime.

It is a super-2 number, since 2×131862851² = 34775622947696402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131862821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65931425 + 65931426.

It is an arithmetic number, because the mean of its divisors is an integer number (65931426).

Almost surely, 2^131862851 is an apocalyptic number.

131862851 is a deficient number, since it is larger than the sum of its proper divisors (1).

131862851 is an equidigital number, since it uses as much as digits as its factorization.

131862851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 131862851 is about 11483.1550977943. The cubic root of 131862851 is about 508.9879339894.

The spelling of 131862851 in words is "one hundred thirty-one million, eight hundred sixty-two thousand, eight hundred fifty-one".