7315136409 has 32 divisors (see below), whose sum is σ = 11339663104. Its totient is φ = 4107905280.

The previous prime is 7315136399. The next prime is 7315136419. The reversal of 7315136409 is 9046315137.

It is an interprime number because it is at equal distance from previous prime (7315136399) and next prime (7315136419).

It is not a de Polignac number, because 7315136409 - 2¹¹ = 7315134361 is a prime.

It is a super-2 number, since 2×7315136409² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7315136419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2167047 + ... + 2170419.

It is an arithmetic number, because the mean of its divisors is an integer number (354364472).

Almost surely, 2^7315136409 is an apocalyptic number.

It is an amenable number.

7315136409 is a deficient number, since it is larger than the sum of its proper divisors (4024526695).

7315136409 is a wasteful number, since it uses less digits than its factorization.

7315136409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 7315136409 is about 85528.5707176263. The cubic root of 7315136409 is about 1941.2172550789.

The spelling of 7315136409 in words is "seven billion, three hundred fifteen million, one hundred thirty-six thousand, four hundred nine".