131844499 has 2 divisors, whose sum is σ = 131844500. Its totient is φ = 131844498.

The previous prime is 131844473. The next prime is 131844509. The reversal of 131844499 is 994448131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131844499 - 2⁵ = 131844467 is a prime.

It is a super-2 number, since 2×131844499² = 34765943833122002, which contains 22 as substring.

It is equal to p_7476892 and since 131844499 and 7476892 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (131844199) 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, 65922249 + 65922250.

It is an arithmetic number, because the mean of its divisors is an integer number (65922250).

Almost surely, 2^131844499 is an apocalyptic number.

131844499 is a deficient number, since it is larger than the sum of its proper divisors (1).

131844499 is an equidigital number, since it uses as much as digits as its factorization.

131844499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 131844499 is about 11482.3559864690. The cubic root of 131844499 is about 508.9643201111.

The spelling of 131844499 in words is "one hundred thirty-one million, eight hundred forty-four thousand, four hundred ninety-nine".