7064139 has 8 divisors (see below), whose sum is σ = 9743760. Its totient is φ = 4546976.

The previous prime is 7064111. The next prime is 7064149. The reversal of 7064139 is 9314607.

It is a happy number.

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 7064139 - 2¹² = 7060043 is a prime.

It is a super-2 number, since 2×7064139² = 99804119622642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7064149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40512 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (1217970).

Almost surely, 2^7064139 is an apocalyptic number.

7064139 is a deficient number, since it is larger than the sum of its proper divisors (2679621).

7064139 is a wasteful number, since it uses less digits than its factorization.

7064139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81229.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 7064139 is about 2657.8448035956. The cubic root of 7064139 is about 191.8755975818.

The spelling of 7064139 in words is "seven million, sixty-four thousand, one hundred thirty-nine".