7139705953 has 8 divisors (see below), whose sum is σ = 7404333480. Its totient is φ = 6876307200.

The previous prime is 7139705887. The next prime is 7139705957. The reversal of 7139705953 is 3595079317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1240237089 + 5899468864 = 35217^2 + 76808^2 .

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 7139705953 - 2²¹ = 7137608801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7139705897 and 7139705906.

It is not an unprimeable number, because it can be changed into a prime (7139705957) 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, 295350 + ... + 318607.

It is an arithmetic number, because the mean of its divisors is an integer number (925541685).

Almost surely, 2^7139705953 is an apocalyptic number.

It is an amenable number.

7139705953 is a deficient number, since it is larger than the sum of its proper divisors (264627527).

7139705953 is a wasteful number, since it uses less digits than its factorization.

7139705953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614387.

The product of its (nonzero) digits is 893025, while the sum is 49.

The square root of 7139705953 is about 84496.7807256584. The cubic root of 7139705953 is about 1925.5735360128.

The spelling of 7139705953 in words is "seven billion, one hundred thirty-nine million, seven hundred five thousand, nine hundred fifty-three".