253340235135 has 48 divisors (see below), whose sum is σ = 473169837504. Its totient is φ = 124650648576.

The previous prime is 253340235131. The next prime is 253340235139. The reversal of 253340235135 is 531532043352.

253340235135 is a `hidden beast` number, since 2 + 53 + 340 + 235 + 1 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (253340235131) and next prime (253340235139).

It is not a de Polignac number, because 253340235135 - 2² = 253340235131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253340235135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253340235131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 917694 + ... + 1161396.

It is an arithmetic number, because the mean of its divisors is an integer number (9857704948).

Almost surely, 2^253340235135 is an apocalyptic number.

253340235135 is a deficient number, since it is larger than the sum of its proper divisors (219829602369).

253340235135 is a wasteful number, since it uses less digits than its factorization.

253340235135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245504 (or 245501 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 253340235135 its reverse (531532043352), we get a palindrome (784872278487).

The spelling of 253340235135 in words is "two hundred fifty-three billion, three hundred forty million, two hundred thirty-five thousand, one hundred thirty-five".