131441440534240 has 96 divisors (see below), whose sum is σ = 310909699084320. Its totient is φ = 52512380928000.

The previous prime is 131441440534219. The next prime is 131441440534253. The reversal of 131441440534240 is 42435044144131.

It is a super-2 number, since 2×131441440534240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 131441440534193 and 131441440534202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718477980 + ... + 718660900.

It is an arithmetic number, because the mean of its divisors is an integer number (3238642698795).

Almost surely, 2^{131441440534240} is an apocalyptic number.

131441440534240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131441440534240 is an abundant number, since it is smaller than the sum of its proper divisors (179468258550080).

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

131441440534240 is a wasteful number, since it uses less digits than its factorization.

131441440534240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188396 (or 188388 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 131441440534240 its reverse (42435044144131), we get a palindrome (173876484678371).

The spelling of 131441440534240 in words is "one hundred thirty-one trillion, four hundred forty-one billion, four hundred forty million, five hundred thirty-four thousand, two hundred forty".