131298563 has 4 divisors (see below), whose sum is σ = 143234808. Its totient is φ = 119362320.

The previous prime is 131298551. The next prime is 131298623. The reversal of 131298563 is 365892131.

It is a happy number.

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

It is not a de Polignac number, because 131298563 - 2¹⁶ = 131233027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131298263) 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, 5968106 + ... + 5968127.

It is an arithmetic number, because the mean of its divisors is an integer number (35808702).

Almost surely, 2^131298563 is an apocalyptic number.

131298563 is a deficient number, since it is larger than the sum of its proper divisors (11936245).

131298563 is a wasteful number, since it uses less digits than its factorization.

131298563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11936244.

The product of its digits is 38880, while the sum is 38.

The square root of 131298563 is about 11458.5585044542. The cubic root of 131298563 is about 508.2608490993.

The spelling of 131298563 in words is "one hundred thirty-one million, two hundred ninety-eight thousand, five hundred sixty-three".