7136236816 has 20 divisors (see below), whose sum is σ = 13849560000. Its totient is φ = 3562156832.

The previous prime is 7136236813. The next prime is 7136236817. The reversal of 7136236816 is 6186326317.

It is not an unprimeable number, because it can be changed into a prime (7136236813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362716 + ... + 381883.

It is an arithmetic number, because the mean of its divisors is an integer number (692478000).

Almost surely, 2^7136236816 is an apocalyptic number.

It is an amenable number.

7136236816 is a deficient number, since it is larger than the sum of its proper divisors (6713323184).

7136236816 is a wasteful number, since it uses less digits than its factorization.

7136236816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745206 (or 745200 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 7136236816 is about 84476.2500114677. The cubic root of 7136236816 is about 1925.2616109059.

The spelling of 7136236816 in words is "seven billion, one hundred thirty-six million, two hundred thirty-six thousand, eight hundred sixteen".