131232140421400 has 48 divisors (see below), whose sum is σ = 305776580765040. Its totient is φ = 52378988764800.

The previous prime is 131232140421377. The next prime is 131232140421461. The reversal of 131232140421400 is 4124041232131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711578844 + ... + 711763243.

It is an arithmetic number, because the mean of its divisors is an integer number (6370345432605).

Almost surely, 2^{131232140421400} is an apocalyptic number.

131232140421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131232140421400 is an abundant number, since it is smaller than the sum of its proper divisors (174544440343640).

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

131232140421400 is a wasteful number, since it uses less digits than its factorization.

131232140421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423342564 (or 1423342555 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131232140421400 its reverse (4124041232131), we get a palindrome (135356181653531).

The spelling of 131232140421400 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred forty million, four hundred twenty-one thousand, four hundred".