130131240 has 64 divisors (see below), whose sum is σ = 407376000. Its totient is φ = 33192192.

The previous prime is 130131229. The next prime is 130131241. The reversal of 130131240 is 42131031.

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

It is not an unprimeable number, because it can be changed into a prime (130131241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20815 + ... + 26334.

It is an arithmetic number, because the mean of its divisors is an integer number (6365250).

Almost surely, 2^130131240 is an apocalyptic number.

130131240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130131240 is an abundant number, since it is smaller than the sum of its proper divisors (277244760).

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

130131240 is a wasteful number, since it uses less digits than its factorization.

130131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47186 (or 47182 counting only the distinct ones).

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

The square root of 130131240 is about 11407.5080539091. The cubic root of 130131240 is about 506.7501151410.

Adding to 130131240 its reverse (42131031), we get a palindrome (172262271).

The spelling of 130131240 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred forty".