139319753 has 4 divisors (see below), whose sum is σ = 139719300. Its totient is φ = 138920208.

The previous prime is 139319737. The next prime is 139319771. The reversal of 139319753 is 357913931.

139319753 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 can be written as a sum of positive squares in 2 ways, for example, as 106234249 + 33085504 = 10307^2 + 5752^2 .

It is a cyclic number.

It is not a de Polignac number, because 139319753 - 2⁴ = 139319737 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 139319753.

It is not an unprimeable number, because it can be changed into a prime (139319773) 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, 199250 + ... + 199947.

It is an arithmetic number, because the mean of its divisors is an integer number (34929825).

Almost surely, 2^139319753 is an apocalyptic number.

It is an amenable number.

139319753 is a deficient number, since it is larger than the sum of its proper divisors (399547).

139319753 is an equidigital number, since it uses as much as digits as its factorization.

139319753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399546.

The product of its digits is 76545, while the sum is 41.

The square root of 139319753 is about 11803.3788806426. The cubic root of 139319753 is about 518.4070495016.

The spelling of 139319753 in words is "one hundred thirty-nine million, three hundred nineteen thousand, seven hundred fifty-three".