131833872491 has 2 divisors, whose sum is σ = 131833872492. Its totient is φ = 131833872490.

The previous prime is 131833872437. The next prime is 131833872539. The reversal of 131833872491 is 194278338131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131833872491 is a prime.

It is not a weakly prime, because it can be changed into another prime (131833872691) 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 as a sum of consecutive naturals, namely, 65916936245 + 65916936246.

It is an arithmetic number, because the mean of its divisors is an integer number (65916936246).

Almost surely, 2^131833872491 is an apocalyptic number.

131833872491 is a deficient number, since it is larger than the sum of its proper divisors (1).

131833872491 is an equidigital number, since it uses as much as digits as its factorization.

131833872491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The spelling of 131833872491 in words is "one hundred thirty-one billion, eight hundred thirty-three million, eight hundred seventy-two thousand, four hundred ninety-one".