255135503140 has 48 divisors (see below), whose sum is σ = 614866057344. Its totient is φ = 87112051200.

The previous prime is 255135503131. The next prime is 255135503153. The reversal of 255135503140 is 41305531552.

255135503140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255135503096 and 255135503105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747166 + ... + 3814645.

It is an arithmetic number, because the mean of its divisors is an integer number (12809709528).

Almost surely, 2^255135503140 is an apocalyptic number.

255135503140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255135503140 is an abundant number, since it is smaller than the sum of its proper divisors (359730554204).

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

255135503140 is a wasteful number, since it uses less digits than its factorization.

255135503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562068 (or 7562066 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 255135503140 in words is "two hundred fifty-five billion, one hundred thirty-five million, five hundred three thousand, one hundred forty".