1134638 has 4 divisors (see below), whose sum is σ = 1701960. Its totient is φ = 567318.

The previous prime is 1134619. The next prime is 1134649. The reversal of 1134638 is 8364311.

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

It is a Curzon number.

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, 283658 + ... + 283661.

It is an arithmetic number, because the mean of its divisors is an integer number (425490).

2^1134638 is an apocalyptic number.

1134638 is a deficient number, since it is larger than the sum of its proper divisors (567322).

1134638 is an equidigital number, since it uses as much as digits as its factorization.

1134638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567321.

The product of its digits is 1728, while the sum is 26.

The square root of 1134638 is about 1065.1938790662. The cubic root of 1134638 is about 104.3003521617.

Adding to 1134638 its reverse (8364311), we get a palindrome (9498949).

The spelling of 1134638 in words is "one million, one hundred thirty-four thousand, six hundred thirty-eight".