4138534 has 4 divisors (see below), whose sum is σ = 6207804. Its totient is φ = 2069266.

The previous prime is 4138529. The next prime is 4138543. The reversal of 4138534 is 4358314.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034632 + ... + 1034635.

It is an arithmetic number, because the mean of its divisors is an integer number (1551951).

Almost surely, 2^4138534 is an apocalyptic number.

4138534 is a deficient number, since it is larger than the sum of its proper divisors (2069270).

4138534 is a wasteful number, since it uses less digits than its factorization.

4138534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069269.

The product of its digits is 5760, while the sum is 28.

The square root of 4138534 is about 2034.3387131940. The cubic root of 4138534 is about 160.5519220735.

The spelling of 4138534 in words is "four million, one hundred thirty-eight thousand, five hundred thirty-four".