470023139 has 8 divisors (see below), whose sum is σ = 482814528. Its totient is φ = 457295040.

The previous prime is 470023109. The next prime is 470023189. The reversal of 470023139 is 931320074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470023139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470023109) 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, 572 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (60351816).

Almost surely, 2^470023139 is an apocalyptic number.

470023139 is a deficient number, since it is larger than the sum of its proper divisors (12791389).

470023139 is a wasteful number, since it uses less digits than its factorization.

470023139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31645.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 470023139 is about 21680.0170433512. The cubic root of 470023139 is about 777.5107687635.

The spelling of 470023139 in words is "four hundred seventy million, twenty-three thousand, one hundred thirty-nine".