131963563 has 4 divisors (see below), whose sum is σ = 132123960. Its totient is φ = 131803168.

The previous prime is 131963551. The next prime is 131963591. The reversal of 131963563 is 365369131.

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-131963563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131963963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78958 + ... + 80611.

It is an arithmetic number, because the mean of its divisors is an integer number (33030990).

Almost surely, 2^131963563 is an apocalyptic number.

131963563 is a deficient number, since it is larger than the sum of its proper divisors (160397).

131963563 is an equidigital number, since it uses as much as digits as its factorization.

131963563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160396.

The product of its digits is 43740, while the sum is 37.

The square root of 131963563 is about 11487.5394667440. The cubic root of 131963563 is about 509.1174831067.

The spelling of 131963563 in words is "one hundred thirty-one million, nine hundred sixty-three thousand, five hundred sixty-three".