235253663140 has 12 divisors (see below), whose sum is σ = 494032692636. Its totient is φ = 94101465248.

The previous prime is 235253663131. The next prime is 235253663159. The reversal of 235253663140 is 41366352532.

It can be written as a sum of positive squares in 2 ways, for example, as 32415121764 + 202838541376 = 180042^2 + 450376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235253663093 and 235253663102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5881341559 + ... + 5881341598.

It is an arithmetic number, because the mean of its divisors is an integer number (41169391053).

Almost surely, 2^235253663140 is an apocalyptic number.

235253663140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235253663140 is an abundant number, since it is smaller than the sum of its proper divisors (258779029496).

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

235253663140 is a wasteful number, since it uses less digits than its factorization.

235253663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762683166 (or 11762683164 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 235253663140 in words is "two hundred thirty-five billion, two hundred fifty-three million, six hundred sixty-three thousand, one hundred forty".