131040454 has 32 divisors (see below), whose sum is σ = 221205600. Its totient is φ = 57853440.

The previous prime is 131040389. The next prime is 131040457. The reversal of 131040454 is 454040131.

131040454 = 1042² + 1043² + ... + 1150².

It is a super-2 number, since 2×131040454² = 34343201169052232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131040457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69484 + ... + 71344.

It is an arithmetic number, because the mean of its divisors is an integer number (6912675).

Almost surely, 2^131040454 is an apocalyptic number.

131040454 is a deficient number, since it is larger than the sum of its proper divisors (90165146).

131040454 is a wasteful number, since it uses less digits than its factorization.

131040454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 131040454 is about 11447.2902470410. The cubic root of 131040454 is about 507.9275812819.

Adding to 131040454 its reverse (454040131), we get a palindrome (585080585).

The spelling of 131040454 in words is "one hundred thirty-one million, forty thousand, four hundred fifty-four".