255334139 has 4 divisors (see below), whose sum is σ = 255397200. Its totient is φ = 255271080.

The previous prime is 255334133. The next prime is 255334187. The reversal of 255334139 is 931433552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255334139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255334099 and 255334108.

It is not an unprimeable number, because it can be changed into a prime (255334133) 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 3 ways as a sum of consecutive naturals, for example, 25007 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (63849300).

Almost surely, 2^255334139 is an apocalyptic number.

255334139 is a deficient number, since it is larger than the sum of its proper divisors (63061).

255334139 is an equidigital number, since it uses as much as digits as its factorization.

255334139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63060.

The product of its digits is 48600, while the sum is 35.

The square root of 255334139 is about 15979.1782955195. The cubic root of 255334139 is about 634.4094279778.

The spelling of 255334139 in words is "two hundred fifty-five million, three hundred thirty-four thousand, one hundred thirty-nine".