7158135217 has 8 divisors (see below), whose sum is σ = 7189735392. Its totient is φ = 7126560000.

The previous prime is 7158135211. The next prime is 7158135251. The reversal of 7158135217 is 7125318517.

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 7158135217 - 2²³ = 7149746609 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 7158135217.

It is not an unprimeable number, because it can be changed into a prime (7158135211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782842 + ... + 791932.

It is an arithmetic number, because the mean of its divisors is an integer number (898716924).

Almost surely, 2^7158135217 is an apocalyptic number.

It is an amenable number.

7158135217 is a deficient number, since it is larger than the sum of its proper divisors (31600175).

7158135217 is a wasteful number, since it uses less digits than its factorization.

7158135217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479.

The product of its digits is 58800, while the sum is 40.

The square root of 7158135217 is about 84605.7634975301. The cubic root of 7158135217 is about 1927.2288989291.

The spelling of 7158135217 in words is "seven billion, one hundred fifty-eight million, one hundred thirty-five thousand, two hundred seventeen".