131408065600 has 84 divisors (see below), whose sum is σ = 369538284544. Its totient is φ = 45054190080.

The previous prime is 131408065597. The next prime is 131408065609. The reversal of 131408065600 is 6560804131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131408065609) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5855232 + ... + 5877631.

Almost surely, 2^131408065600 is an apocalyptic number.

131408065600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131408065600 is an abundant number, since it is smaller than the sum of its proper divisors (238130218944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131408065600 is a wasteful number, since it uses less digits than its factorization.

131408065600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732892 (or 11732877 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 131408065600 its reverse (6560804131), we get a palindrome (137968869731).

The spelling of 131408065600 in words is "one hundred thirty-one billion, four hundred eight million, sixty-five thousand, six hundred".