255213140135 has 32 divisors (see below), whose sum is σ = 332267588352. Its totient is φ = 187424133120.

The previous prime is 255213140113. The next prime is 255213140153. The reversal of 255213140135 is 531041312552.

It is not a de Polignac number, because 255213140135 - 2¹⁴ = 255213123751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17999909 + ... + 18014081.

It is an arithmetic number, because the mean of its divisors is an integer number (10383362136).

Almost surely, 2^255213140135 is an apocalyptic number.

255213140135 is a deficient number, since it is larger than the sum of its proper divisors (77054448217).

255213140135 is a wasteful number, since it uses less digits than its factorization.

255213140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 255213140135 its reverse (531041312552), we get a palindrome (786254452687).

The spelling of 255213140135 in words is "two hundred fifty-five billion, two hundred thirteen million, one hundred forty thousand, one hundred thirty-five".