139359263 has 8 divisors (see below), whose sum is σ = 143381808. Its totient is φ = 135393984.

The previous prime is 139359257. The next prime is 139359289. The reversal of 139359263 is 362953931.

139359263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139359263 - 2⁴ = 139359247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139359263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139359203) 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, 9356 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (17922726).

Almost surely, 2^139359263 is an apocalyptic number.

139359263 is a deficient number, since it is larger than the sum of its proper divisors (4022545).

139359263 is an equidigital number, since it uses as much as digits as its factorization.

139359263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28633.

The product of its digits is 131220, while the sum is 41.

The square root of 139359263 is about 11805.0524352923. The cubic root of 139359263 is about 518.4560502742.

The spelling of 139359263 in words is "one hundred thirty-nine million, three hundred fifty-nine thousand, two hundred sixty-three".