4134639 has 12 divisors (see below), whose sum is σ = 5691336. Its totient is φ = 2668032.

The previous prime is 4134629. The next prime is 4134649. The reversal of 4134639 is 9364314.

It is an interprime number because it is at equal distance from previous prime (4134629) and next prime (4134649).

It is not a de Polignac number, because 4134639 - 2¹¹ = 4132591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21327 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (474278).

Almost surely, 2^4134639 is an apocalyptic number.

4134639 is a deficient number, since it is larger than the sum of its proper divisors (1556697).

4134639 is an equidigital number, since it uses as much as digits as its factorization.

4134639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 233 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 4134639 is about 2033.3811743006. The cubic root of 4134639 is about 160.5015382079.

The spelling of 4134639 in words is "four million, one hundred thirty-four thousand, six hundred thirty-nine".