9272139084 has 36 divisors (see below), whose sum is σ = 25240824336. Its totient is φ = 2852965728.

The previous prime is 9272139083. The next prime is 9272139103. The reversal of 9272139084 is 4809312729.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (9272139083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9905664 + ... + 9906599.

Almost surely, 2^9272139084 is an apocalyptic number.

It is an amenable number.

9272139084 is an abundant number, since it is smaller than the sum of its proper divisors (15968685252).

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

9272139084 is a wasteful number, since it uses less digits than its factorization.

9272139084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812286 (or 19812281 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9272139084 is about 96291.9471399348. The cubic root of 9272139084 is about 2100.8416191210.

The spelling of 9272139084 in words is "nine billion, two hundred seventy-two million, one hundred thirty-nine thousand, eighty-four".