131163454 has 4 divisors (see below), whose sum is σ = 196745184. Its totient is φ = 65581726.

The previous prime is 131163451. The next prime is 131163509. The reversal of 131163454 is 454361131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131163451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32790862 + ... + 32790865.

It is an arithmetic number, because the mean of its divisors is an integer number (49186296).

Almost surely, 2^131163454 is an apocalyptic number.

131163454 is a deficient number, since it is larger than the sum of its proper divisors (65581730).

131163454 is an equidigital number, since it uses as much as digits as its factorization.

131163454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65581729.

The product of its digits is 4320, while the sum is 28.

The square root of 131163454 is about 11452.6614374127. The cubic root of 131163454 is about 508.0864522095.

The spelling of 131163454 in words is "one hundred thirty-one million, one hundred sixty-three thousand, four hundred fifty-four".