235232140 has 96 divisors (see below), whose sum is σ = 584490816. Its totient is φ = 78397440.

The previous prime is 235232119. The next prime is 235232177. The reversal of 235232140 is 41232532.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 666204 + ... + 666556.

It is an arithmetic number, because the mean of its divisors is an integer number (6088446).

Almost surely, 2^235232140 is an apocalyptic number.

235232140 is a gapful number since it is divisible by the number (20) 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 235232140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292245408).

235232140 is an abundant number, since it is smaller than the sum of its proper divisors (349258676).

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

235232140 is a wasteful number, since it uses less digits than its factorization.

235232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 235232140 is about 15337.2794197667. The cubic root of 235232140 is about 617.3037091844.

Adding to 235232140 its reverse (41232532), we get a palindrome (276464672).

The spelling of 235232140 in words is "two hundred thirty-five million, two hundred thirty-two thousand, one hundred forty".