131340120140 has 96 divisors (see below), whose sum is σ = 302391532800. Its totient is φ = 47696015360.

The previous prime is 131340120097. The next prime is 131340120151. The reversal of 131340120140 is 41021043131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11639021 + ... + 11650299.

It is an arithmetic number, because the mean of its divisors is an integer number (3149911800).

Almost surely, 2^131340120140 is an apocalyptic number.

131340120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131340120140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151195766400).

131340120140 is an abundant number, since it is smaller than the sum of its proper divisors (171051412660).

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

131340120140 is a wasteful number, since it uses less digits than its factorization.

131340120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515 (or 12513 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131340120140 its reverse (41021043131), we get a palindrome (172361163271).

The spelling of 131340120140 in words is "one hundred thirty-one billion, three hundred forty million, one hundred twenty thousand, one hundred forty".