131140400244 has 24 divisors (see below), whose sum is σ = 349707734208. Its totient is φ = 37468685760.

The previous prime is 131140400203. The next prime is 131140400249. The reversal of 131140400244 is 442004041131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131140400249) 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, 780597537 + ... + 780597704.

It is an arithmetic number, because the mean of its divisors is an integer number (14571155592).

Almost surely, 2^131140400244 is an apocalyptic number.

131140400244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131140400244 is an abundant number, since it is smaller than the sum of its proper divisors (218567333964).

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

131140400244 is a wasteful number, since it uses less digits than its factorization.

131140400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561195255 (or 1561195253 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131140400244 its reverse (442004041131), we get a palindrome (573144441375).

The spelling of 131140400244 in words is "one hundred thirty-one billion, one hundred forty million, four hundred thousand, two hundred forty-four".