131116045 has 8 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 104554320.

The previous prime is 131116043. The next prime is 131116061. The reversal of 131116045 is 540611131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131116045 - 2¹ = 131116043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131116043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40605 + ... + 43714.

It is an arithmetic number, because the mean of its divisors is an integer number (19730880).

Almost surely, 2^131116045 is an apocalyptic number.

It is an amenable number.

131116045 is a deficient number, since it is larger than the sum of its proper divisors (26730995).

131116045 is an equidigital number, since it uses as much as digits as its factorization.

131116045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84635.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 131116045 is about 11450.5914694395. The cubic root of 131116045 is about 508.0252289225.

Adding to 131116045 its reverse (540611131), we get a palindrome (671727176).

The spelling of 131116045 in words is "one hundred thirty-one million, one hundred sixteen thousand, forty-five".