131141251999 has 4 divisors (see below), whose sum is σ = 131150372800. Its totient is φ = 131132131200.

The previous prime is 131141251991. The next prime is 131141252003. The reversal of 131141251999 is 999152141131.

It is a happy number.

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 131141251999 - 2³ = 131141251991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141251991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538799 + ... + 4567600.

It is an arithmetic number, because the mean of its divisors is an integer number (32787593200).

Almost surely, 2^131141251999 is an apocalyptic number.

131141251999 is a deficient number, since it is larger than the sum of its proper divisors (9120801).

131141251999 is an equidigital number, since it uses as much as digits as its factorization.

131141251999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120800.

The product of its digits is 87480, while the sum is 46.

The spelling of 131141251999 in words is "one hundred thirty-one billion, one hundred forty-one million, two hundred fifty-one thousand, nine hundred ninety-nine".