131454925449 has 8 divisors (see below), whose sum is σ = 177080174880. Its totient is φ = 86733146496.

The previous prime is 131454925447. The next prime is 131454925457. The reversal of 131454925449 is 944529454131.

It is a happy number.

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

It is not a de Polignac number, because 131454925449 - 2¹ = 131454925447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131454925447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225867279 + ... + 225867860.

It is an arithmetic number, because the mean of its divisors is an integer number (22135021860).

Almost surely, 2^131454925449 is an apocalyptic number.

It is an amenable number.

131454925449 is a deficient number, since it is larger than the sum of its proper divisors (45625249431).

131454925449 is an equidigital number, since it uses as much as digits as its factorization.

131454925449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451735239.

The product of its digits is 3110400, while the sum is 51.

The spelling of 131454925449 in words is "one hundred thirty-one billion, four hundred fifty-four million, nine hundred twenty-five thousand, four hundred forty-nine".