139050833 has 4 divisors (see below), whose sum is σ = 139241268. Its totient is φ = 138860400.

The previous prime is 139050817. The next prime is 139050839. The reversal of 139050833 is 338050931.

139050833 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, and also an emirpimes, since its reverse is a distinct semiprime: 338050931 = 47 ⋅7192573.

It can be written as a sum of positive squares in 2 ways, for example, as 109977169 + 29073664 = 10487^2 + 5392^2 .

It is a cyclic number.

It is not a de Polignac number, because 139050833 - 2⁴ = 139050817 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 139050833.

It is not an unprimeable number, because it can be changed into a prime (139050839) 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, 94118 + ... + 95583.

It is an arithmetic number, because the mean of its divisors is an integer number (34810317).

Almost surely, 2^139050833 is an apocalyptic number.

It is an amenable number.

139050833 is a deficient number, since it is larger than the sum of its proper divisors (190435).

139050833 is an equidigital number, since it uses as much as digits as its factorization.

139050833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190434.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 139050833 is about 11791.9817248841. The cubic root of 139050833 is about 518.0732853484.

The spelling of 139050833 in words is "one hundred thirty-nine million, fifty thousand, eight hundred thirty-three".