6964139 has 16 divisors (see below), whose sum is σ = 8666112. Its totient is φ = 5449248.

The previous prime is 6964123. The next prime is 6964157. The reversal of 6964139 is 9314696.

It is not a de Polignac number, because 6964139 - 2⁴ = 6964123 is a prime.

It is a super-4 number, since 4×6964139⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6964109) 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, 9002 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (541632).

Almost surely, 2^6964139 is an apocalyptic number.

6964139 is a deficient number, since it is larger than the sum of its proper divisors (1701973).

6964139 is a wasteful number, since it uses less digits than its factorization.

6964139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its digits is 34992, while the sum is 38.

The square root of 6964139 is about 2638.9655170161. The cubic root of 6964139 is about 190.9658939678.

The spelling of 6964139 in words is "six million, nine hundred sixty-four thousand, one hundred thirty-nine".