255255004139 has 4 divisors (see below), whose sum is σ = 255334058160. Its totient is φ = 255175950120.

The previous prime is 255255004099. The next prime is 255255004153. The reversal of 255255004139 is 931400552552.

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

It is a cyclic number.

It is not a de Polignac number, because 255255004139 - 2³² = 250960036843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255255004096 and 255255004105.

It is not an unprimeable number, because it can be changed into a prime (255255024139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39522167 + ... + 39528624.

It is an arithmetic number, because the mean of its divisors is an integer number (63833514540).

Almost surely, 2^255255004139 is an apocalyptic number.

255255004139 is a deficient number, since it is larger than the sum of its proper divisors (79054021).

255255004139 is an equidigital number, since it uses as much as digits as its factorization.

255255004139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79054020.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 255255004139 in words is "two hundred fifty-five billion, two hundred fifty-five million, four thousand, one hundred thirty-nine".