9141521328 has 100 divisors (see below), whose sum is σ = 27173444320. Its totient is φ = 2964802176.

The previous prime is 9141521251. The next prime is 9141521359. The reversal of 9141521328 is 8231251419.

9141521328 is a `hidden beast` number, since 9 + 1 + 415 + 213 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9141521292 and 9141521301.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47368 + ... + 143271.

Almost surely, 2^9141521328 is an apocalyptic number.

It is an amenable number.

9141521328 is an abundant number, since it is smaller than the sum of its proper divisors (18031922992).

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

9141521328 is a wasteful number, since it uses less digits than its factorization.

9141521328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190696 (or 190681 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 9141521328 is about 95611.3033485058. The cubic root of 9141521328 is about 2090.9299927777.

The spelling of 9141521328 in words is "nine billion, one hundred forty-one million, five hundred twenty-one thousand, three hundred twenty-eight".