9136221594 has 16 divisors (see below), whose sum is σ = 18273629568. Its totient is φ = 3045209472.

The previous prime is 9136221587. The next prime is 9136221599. The reversal of 9136221594 is 4951226319.

It is not an unprimeable number, because it can be changed into a prime (9136221599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74634 + ... + 154410.

It is an arithmetic number, because the mean of its divisors is an integer number (1142101848).

Almost surely, 2^9136221594 is an apocalyptic number.

9136221594 is an abundant number, since it is smaller than the sum of its proper divisors (9137407974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9136221594 is a wasteful number, since it uses less digits than its factorization.

9136221594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98869.

The product of its digits is 116640, while the sum is 42.

The square root of 9136221594 is about 95583.5843332944. The cubic root of 9136221594 is about 2090.5258472489.

The spelling of 9136221594 in words is "nine billion, one hundred thirty-six million, two hundred twenty-one thousand, five hundred ninety-four".