131400654268 has 12 divisors (see below), whose sum is σ = 247639694680. Its totient is φ = 60646455792.

The previous prime is 131400654257. The next prime is 131400654269. The reversal of 131400654268 is 862456004131.

It is a happy number.

It is a super-2 number, since 2×131400654268² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131400654268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131400654269) 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, 1263467778 + ... + 1263467881.

Almost surely, 2^131400654268 is an apocalyptic number.

It is an amenable number.

131400654268 is a deficient number, since it is larger than the sum of its proper divisors (116239040412).

131400654268 is a wasteful number, since it uses less digits than its factorization.

131400654268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526935676 (or 2526935674 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 131400654268 its reverse (862456004131), we get a palindrome (993856658399).

The spelling of 131400654268 in words is "one hundred thirty-one billion, four hundred million, six hundred fifty-four thousand, two hundred sixty-eight".