929139321 has 8 divisors (see below), whose sum is σ = 1351475424. Its totient is φ = 563114720.

The previous prime is 929139319. The next prime is 929139329. The reversal of 929139321 is 123931929.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 929139321 - 2¹ = 929139319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 929139321.

It is not an unprimeable number, because it can be changed into a prime (929139329) 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, 14077836 + ... + 14077901.

It is an arithmetic number, because the mean of its divisors is an integer number (168934428).

Almost surely, 2^929139321 is an apocalyptic number.

It is an amenable number.

929139321 is a deficient number, since it is larger than the sum of its proper divisors (422336103).

929139321 is a wasteful number, since it uses less digits than its factorization.

929139321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28155751.

The product of its digits is 26244, while the sum is 39.

The square root of 929139321 is about 30481.7867094434. The cubic root of 929139321 is about 975.7988004733.

The spelling of 929139321 in words is "nine hundred twenty-nine million, one hundred thirty-nine thousand, three hundred twenty-one".