131144204040 has 64 divisors (see below), whose sum is σ = 393861052800. Its totient is φ = 34933704192.

The previous prime is 131144204027. The next prime is 131144204071. The reversal of 131144204040 is 40402441131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 131144204040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484317 + ... + 704876.

It is an arithmetic number, because the mean of its divisors is an integer number (6154078950).

Almost surely, 2^131144204040 is an apocalyptic number.

131144204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131144204040 is an abundant number, since it is smaller than the sum of its proper divisors (262716848760).

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

131144204040 is a wasteful number, since it uses less digits than its factorization.

131144204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190126 (or 1190122 counting only the distinct ones).

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

Adding to 131144204040 its reverse (40402441131), we get a palindrome (171546645171).

The spelling of 131144204040 in words is "one hundred thirty-one billion, one hundred forty-four million, two hundred four thousand, forty".