235140081 has 16 divisors (see below), whose sum is σ = 346710720. Its totient is φ = 140555520.

The previous prime is 235140071. The next prime is 235140089. The reversal of 235140081 is 180041532.

It is not a de Polignac number, because 235140081 - 2⁵ = 235140049 is a prime.

It is a super-2 number, since 2×235140081² = 110581715385373122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (235140089) 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, 46396 + ... + 51213.

It is an arithmetic number, because the mean of its divisors is an integer number (21669420).

Almost surely, 2^235140081 is an apocalyptic number.

It is an amenable number.

235140081 is a deficient number, since it is larger than the sum of its proper divisors (111570639).

235140081 is a wasteful number, since it uses less digits than its factorization.

235140081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97696.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 235140081 is about 15334.2779745249. The cubic root of 235140081 is about 617.2231706192.

The spelling of 235140081 in words is "two hundred thirty-five million, one hundred forty thousand, eighty-one".