232142130 has 72 divisors (see below), whose sum is σ = 663458796. Its totient is φ = 56274240.

The previous prime is 232142111. The next prime is 232142143. The reversal of 232142130 is 31241232.

It can be written as a sum of positive squares in 2 ways, for example, as 209873169 + 22268961 = 14487^2 + 4719^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 232 + ... + 21548.

Almost surely, 2^232142130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232142130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331729398).

232142130 is an abundant number, since it is smaller than the sum of its proper divisors (431316666).

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

232142130 is a wasteful number, since it uses less digits than its factorization.

232142130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352 (or 21338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 232142130 is about 15236.2111431944. The cubic root of 232142130 is about 614.5888189443.

Adding to 232142130 its reverse (31241232), we get a palindrome (263383362).

The spelling of 232142130 in words is "two hundred thirty-two million, one hundred forty-two thousand, one hundred thirty".