139702053 has 8 divisors (see below), whose sum is σ = 186762400. Its totient is φ = 92888208.

The previous prime is 139702037. The next prime is 139702061. The reversal of 139702053 is 350207931.

139702053 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 not a de Polignac number, because 139702053 - 2⁴ = 139702037 is a prime.

It is a super-2 number, since 2×139702053² = 39033327224829618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 139702053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139702033) 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, 60298 + ... + 62571.

It is an arithmetic number, because the mean of its divisors is an integer number (23345300).

Almost surely, 2^139702053 is an apocalyptic number.

It is an amenable number.

139702053 is a deficient number, since it is larger than the sum of its proper divisors (47060347).

139702053 is a wasteful number, since it uses less digits than its factorization.

139702053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123251.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 139702053 is about 11819.5623015406. The cubic root of 139702053 is about 518.8807942708.

Adding to 139702053 its reverse (350207931), we get a palindrome (489909984).

The spelling of 139702053 in words is "one hundred thirty-nine million, seven hundred two thousand, fifty-three".