1030255139 has 4 divisors (see below), whose sum is σ = 1040876424. Its totient is φ = 1019633856.

The previous prime is 1030255129. The next prime is 1030255153. The reversal of 1030255139 is 9315520301.

1030255139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1030255139 - 2²⁸ = 761819683 is a prime.

It is a super-2 number, since 2×1030255139² = 2122851302871818642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030255129) 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, 5310497 + ... + 5310690.

It is an arithmetic number, because the mean of its divisors is an integer number (260219106).

Almost surely, 2^1030255139 is an apocalyptic number.

1030255139 is a deficient number, since it is larger than the sum of its proper divisors (10621285).

1030255139 is an equidigital number, since it uses as much as digits as its factorization.

1030255139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621284.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1030255139 is about 32097.5877442527. The cubic root of 1030255139 is about 1009.9850139919.

The spelling of 1030255139 in words is "one billion, thirty million, two hundred fifty-five thousand, one hundred thirty-nine".