240013235 has 32 divisors (see below), whose sum is σ = 361331712. Its totient is φ = 148682880.

The previous prime is 240013231. The next prime is 240013237. The reversal of 240013235 is 532310042.

It is a happy number.

It is not a de Polignac number, because 240013235 - 2² = 240013231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240013231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62429 + ... + 66161.

It is an arithmetic number, because the mean of its divisors is an integer number (11291616).

Almost surely, 2^240013235 is an apocalyptic number.

240013235 is a deficient number, since it is larger than the sum of its proper divisors (121318477).

240013235 is a wasteful number, since it uses less digits than its factorization.

240013235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 240013235 is about 15492.3605367291. The cubic root of 240013235 is about 621.4579243759.

Adding to 240013235 its reverse (532310042), we get a palindrome (772323277).

The spelling of 240013235 in words is "two hundred forty million, thirteen thousand, two hundred thirty-five".