130143252 has 12 divisors (see below), whose sum is σ = 303667616. Its totient is φ = 43381080.

The previous prime is 130143191. The next prime is 130143259. The reversal of 130143252 is 252341031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×130143252² = 33874532082271008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130143259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422624 + ... + 5422647.

Almost surely, 2^130143252 is an apocalyptic number.

130143252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130143252 is an abundant number, since it is smaller than the sum of its proper divisors (173524364).

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

130143252 is a wasteful number, since it uses less digits than its factorization.

130143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845278 (or 10845276 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130143252 is about 11408.0345371146. The cubic root of 130143252 is about 506.7657068239.

Adding to 130143252 its reverse (252341031), we get a palindrome (382484283).

The spelling of 130143252 in words is "one hundred thirty million, one hundred forty-three thousand, two hundred fifty-two".