8485139 has 16 divisors (see below), whose sum is σ = 9616320. Its totient is φ = 7432320.

The previous prime is 8485133. The next prime is 8485151. The reversal of 8485139 is 9315848.

It is a cyclic number.

It is not a de Polignac number, because 8485139 - 2⁴ = 8485123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8485133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26609 + ... + 26925.

It is an arithmetic number, because the mean of its divisors is an integer number (601020).

Almost surely, 2^8485139 is an apocalyptic number.

8485139 is a deficient number, since it is larger than the sum of its proper divisors (1131181).

8485139 is a wasteful number, since it uses less digits than its factorization.

8485139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430.

The product of its digits is 34560, while the sum is 38.

The square root of 8485139 is about 2912.9261919932. The cubic root of 8485139 is about 203.9637494859.

The spelling of 8485139 in words is "eight million, four hundred eighty-five thousand, one hundred thirty-nine".