13139255 has 8 divisors (see below), whose sum is σ = 16193472. Its totient is φ = 10227168.

The previous prime is 13139251. The next prime is 13139261. The reversal of 13139255 is 55293131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13139255 - 2² = 13139251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35327 + ... + 35696.

It is an arithmetic number, because the mean of its divisors is an integer number (2024184).

Almost surely, 2^13139255 is an apocalyptic number.

13139255 is a deficient number, since it is larger than the sum of its proper divisors (3054217).

13139255 is an equidigital number, since it uses as much as digits as its factorization.

13139255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71065.

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

The square root of 13139255 is about 3624.8110295573. The cubic root of 13139255 is about 235.9700658672.

The spelling of 13139255 in words is "thirteen million, one hundred thirty-nine thousand, two hundred fifty-five".