235920140 has 24 divisors (see below), whose sum is σ = 508823952. Its totient is φ = 91817280.

The previous prime is 235920107. The next prime is 235920187. The reversal of 235920140 is 41029532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158666 + ... + 160145.

It is an arithmetic number, because the mean of its divisors is an integer number (21200998).

Almost surely, 2^235920140 is an apocalyptic number.

235920140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235920140 is an abundant number, since it is smaller than the sum of its proper divisors (272903812).

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

235920140 is a wasteful number, since it uses less digits than its factorization.

235920140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318857 (or 318855 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 235920140 is about 15359.6920542047. The cubic root of 235920140 is about 617.9049472757.

Adding to 235920140 its reverse (41029532), we get a palindrome (276949672).

The spelling of 235920140 in words is "two hundred thirty-five million, nine hundred twenty thousand, one hundred forty".