235972140 has 24 divisors (see below), whose sum is σ = 660722160. Its totient is φ = 62925888.

The previous prime is 235972123. The next prime is 235972147. The reversal of 235972140 is 41279532.

235972140 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

235972140 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (235972147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966375 + ... + 1966494.

It is an arithmetic number, because the mean of its divisors is an integer number (27530090).

Almost surely, 2^235972140 is an apocalyptic number.

235972140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235972140 is an abundant number, since it is smaller than the sum of its proper divisors (424750020).

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

235972140 is a wasteful number, since it uses less digits than its factorization.

235972140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932881 (or 3932879 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 235972140 is about 15361.3847032095. The cubic root of 235972140 is about 617.9503421521.

The spelling of 235972140 in words is "two hundred thirty-five million, nine hundred seventy-two thousand, one hundred forty".