1868134 has 4 divisors (see below), whose sum is σ = 2802204. Its totient is φ = 934066.

The previous prime is 1868107. The next prime is 1868149. The reversal of 1868134 is 4318681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4318681 = 19 ⋅227299.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1868096 and 1868105.

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, 467032 + ... + 467035.

It is an arithmetic number, because the mean of its divisors is an integer number (700551).

2^1868134 is an apocalyptic number.

1868134 is a deficient number, since it is larger than the sum of its proper divisors (934070).

1868134 is an equidigital number, since it uses as much as digits as its factorization.

1868134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934069.

The product of its digits is 4608, while the sum is 31.

The square root of 1868134 is about 1366.7969856566. The cubic root of 1868134 is about 123.1599039560.

It can be divided in two parts, 1868 and 134, that added together give a palindrome (2002).

The spelling of 1868134 in words is "one million, eight hundred sixty-eight thousand, one hundred thirty-four".