3634139 has 4 divisors (see below), whose sum is σ = 3644256. Its totient is φ = 3624024.

The previous prime is 3634129. The next prime is 3634171. The reversal of 3634139 is 9314363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3634139 - 2⁴ = 3634123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3634129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4499 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (911064).

Almost surely, 2^3634139 is an apocalyptic number.

3634139 is a deficient number, since it is larger than the sum of its proper divisors (10117).

3634139 is an equidigital number, since it uses as much as digits as its factorization.

3634139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116.

The product of its digits is 5832, while the sum is 29.

The square root of 3634139 is about 1906.3417846756. The cubic root of 3634139 is about 153.7448267588.

It can be divided in two parts, 3634 and 139, that added together give a palindrome (3773).

The spelling of 3634139 in words is "three million, six hundred thirty-four thousand, one hundred thirty-nine".