131964463 has 4 divisors (see below), whose sum is σ = 135033448. Its totient is φ = 128895480.

The previous prime is 131964457. The next prime is 131964467. The reversal of 131964463 is 364469131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131964463 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 (131964467) 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, 1534428 + ... + 1534513.

It is an arithmetic number, because the mean of its divisors is an integer number (33758362).

Almost surely, 2^131964463 is an apocalyptic number.

131964463 is a deficient number, since it is larger than the sum of its proper divisors (3068985).

131964463 is an equidigital number, since it uses as much as digits as its factorization.

131964463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068984.

The product of its digits is 46656, while the sum is 37.

The square root of 131964463 is about 11487.5786395567. The cubic root of 131964463 is about 509.1186405087.

The spelling of 131964463 in words is "one hundred thirty-one million, nine hundred sixty-four thousand, four hundred sixty-three".