131340120 has 96 divisors (see below), whose sum is σ = 412095600. Its totient is φ = 33485056.

The previous prime is 131340109. The next prime is 131340151. The reversal of 131340120 is 21043131.

It is a super-2 number, since 2×131340120² = 34500454243228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131340120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62446 + ... + 64514.

Almost surely, 2^131340120 is an apocalyptic number.

131340120 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 131340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206047800).

131340120 is an abundant number, since it is smaller than the sum of its proper divisors (280755480).

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

131340120 is a wasteful number, since it uses less digits than its factorization.

131340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131340120 is about 11460.3717217200. The cubic root of 131340120 is about 508.3144662590.

Adding to 131340120 its reverse (21043131), we get a palindrome (152383251).

The spelling of 131340120 in words is "one hundred thirty-one million, three hundred forty thousand, one hundred twenty".