320140029 has 8 divisors (see below), whose sum is σ = 465658272. Its totient is φ = 194024240.

The previous prime is 320140001. The next prime is 320140033. The reversal of 320140029 is 920041023.

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 320140029 - 2⁵ = 320139997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320139987 and 320140014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320140049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4850574 + ... + 4850639.

It is an arithmetic number, because the mean of its divisors is an integer number (58207284).

Almost surely, 2^320140029 is an apocalyptic number.

It is an amenable number.

320140029 is a deficient number, since it is larger than the sum of its proper divisors (145518243).

320140029 is a wasteful number, since it uses less digits than its factorization.

320140029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701227.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 320140029 is about 17892.4573214525. The cubic root of 320140029 is about 684.0901333806.

The spelling of 320140029 in words is "three hundred twenty million, one hundred forty thousand, twenty-nine".