130233240 has 192 divisors, whose sum is σ = 444787200. Its totient is φ = 33014016.

The previous prime is 130233203. The next prime is 130233281. The reversal of 130233240 is 42332031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727471 + ... + 727649.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^130233240 is an apocalyptic number.

130233240 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 130233240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222393600).

130233240 is an abundant number, since it is smaller than the sum of its proper divisors (314553960).

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

130233240 is a wasteful number, since it uses less digits than its factorization.

130233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130233240 is about 11411.9779179597. The cubic root of 130233240 is about 506.8824815447.

Adding to 130233240 its reverse (42332031), we get a palindrome (172565271).

The spelling of 130233240 in words is "one hundred thirty million, two hundred thirty-three thousand, two hundred forty".