235087140 has 48 divisors (see below), whose sum is σ = 686867328. Its totient is φ = 59963904.

The previous prime is 235087109. The next prime is 235087147. The reversal of 235087140 is 41780532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 235087098 and 235087107.

It is not an unprimeable number, because it can be changed into a prime (235087147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83797 + ... + 86556.

It is an arithmetic number, because the mean of its divisors is an integer number (14309736).

Almost surely, 2^235087140 is an apocalyptic number.

235087140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235087140 is an abundant number, since it is smaller than the sum of its proper divisors (451780188).

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

235087140 is a wasteful number, since it uses less digits than its factorization.

235087140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170388 (or 170386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 235087140 is about 15332.5516467416. The cubic root of 235087140 is about 617.1768452340.

The spelling of 235087140 in words is "two hundred thirty-five million, eighty-seven thousand, one hundred forty".