131247454 has 16 divisors (see below), whose sum is σ = 213207120. Its totient is φ = 60235200.

The previous prime is 131247449. The next prime is 131247461. The reversal of 131247454 is 454742131.

131247454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9447 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (13325445).

Almost surely, 2^131247454 is an apocalyptic number.

131247454 is a deficient number, since it is larger than the sum of its proper divisors (81959666).

131247454 is a wasteful number, since it uses less digits than its factorization.

131247454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28395.

The product of its digits is 13440, while the sum is 31.

The square root of 131247454 is about 11456.3281203010. The cubic root of 131247454 is about 508.1948923606.

Adding to 131247454 its reverse (454742131), we get a palindrome (585989585).

The spelling of 131247454 in words is "one hundred thirty-one million, two hundred forty-seven thousand, four hundred fifty-four".