9121396036 has 45 divisors (see below), whose sum is σ = 17282732929. Its totient is φ = 4211432576.

The previous prime is 9121396033. The next prime is 9121396069. The reversal of 9121396036 is 6306931219.

The square root of 9121396036 is 95506.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 9548100 + 9111847936 = 3090^2 + 95456^2 .

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 9121396036.

It is not an unprimeable number, because it can be changed into a prime (9121396033) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 172101786 + ... + 172101838.

Almost surely, 2^9121396036 is an apocalyptic number.

9121396036 is the 95506-th square number.

It is an amenable number.

9121396036 is a deficient number, since it is larger than the sum of its proper divisors (8161336893).

9121396036 is an frugal number, since it uses more digits than its factorization.

9121396036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The cubic root of 9121396036 is about 2089.3944535074.

The spelling of 9121396036 in words is "nine billion, one hundred twenty-one million, three hundred ninety-six thousand, thirty-six".