130253240 has 64 divisors (see below), whose sum is σ = 318699360. Its totient is φ = 47623680.

The previous prime is 130253237. The next prime is 130253287. The reversal of 130253240 is 42352031.

It is a happy number.

It is a super-4 number, since 4×130253240⁴ (a number of 34 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54470 + ... + 56810.

Almost surely, 2^130253240 is an apocalyptic number.

130253240 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 130253240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159349680).

130253240 is an abundant number, since it is smaller than the sum of its proper divisors (188446120).

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

130253240 is a wasteful number, since it uses less digits than its factorization.

130253240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130253240 is about 11412.8541566078. The cubic root of 130253240 is about 506.9084276363.

The spelling of 130253240 in words is "one hundred thirty million, two hundred fifty-three thousand, two hundred forty".