131115454 has 8 divisors (see below), whose sum is σ = 197187840. Its totient is φ = 65386176.

The previous prime is 131115451. The next prime is 131115463. The reversal of 131115454 is 454511131.

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

It is a super-2 number, since 2×131115454² = 34382524555252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131115451) 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, 84819 + ... + 86350.

It is an arithmetic number, because the mean of its divisors is an integer number (24648480).

Almost surely, 2^131115454 is an apocalyptic number.

131115454 is a deficient number, since it is larger than the sum of its proper divisors (66072386).

131115454 is a wasteful number, since it uses less digits than its factorization.

131115454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171554.

The product of its digits is 1200, while the sum is 25.

The square root of 131115454 is about 11450.5656628832. The cubic root of 131115454 is about 508.0244656206.

Adding to 131115454 its reverse (454511131), we get a palindrome (585626585).

The spelling of 131115454 in words is "one hundred thirty-one million, one hundred fifteen thousand, four hundred fifty-four".