7315136871 has 32 divisors (see below), whose sum is σ = 11562524160. Its totient is φ = 4024992384.

The previous prime is 7315136863. The next prime is 7315136947. The reversal of 7315136871 is 1786315137.

It is not a de Polignac number, because 7315136871 - 2³ = 7315136863 is a prime.

It is a super-2 number, since 2×7315136871² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7315136471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211056 + ... + 243258.

It is an arithmetic number, because the mean of its divisors is an integer number (361328880).

Almost surely, 2^7315136871 is an apocalyptic number.

7315136871 is a deficient number, since it is larger than the sum of its proper divisors (4247387289).

7315136871 is a wasteful number, since it uses less digits than its factorization.

7315136871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32615.

The product of its digits is 105840, while the sum is 42.

The square root of 7315136871 is about 85528.5734184781. The cubic root of 7315136871 is about 1941.2172959458.

The spelling of 7315136871 in words is "seven billion, three hundred fifteen million, one hundred thirty-six thousand, eight hundred seventy-one".