8013420239 has 8 divisors (see below), whose sum is σ = 8746175232. Its totient is φ = 7281375640.

The previous prime is 8013420223. The next prime is 8013420251. The reversal of 8013420239 is 9320243108.

It is a happy number.

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

It is not a de Polignac number, because 8013420239 - 2⁴ = 8013420223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013420739) 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, 153869 + ... + 199254.

It is an arithmetic number, because the mean of its divisors is an integer number (1093271904).

Almost surely, 2^8013420239 is an apocalyptic number.

8013420239 is a deficient number, since it is larger than the sum of its proper divisors (732754993).

8013420239 is a wasteful number, since it uses less digits than its factorization.

8013420239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355197.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8013420239 is about 89517.7090803825. The cubic root of 8013420239 is about 2001.1177284752.

The spelling of 8013420239 in words is "eight billion, thirteen million, four hundred twenty thousand, two hundred thirty-nine".