1800134 has 16 divisors (see below), whose sum is σ = 3131136. Its totient is φ = 760200.

The previous prime is 1800121. The next prime is 1800137. The reversal of 1800134 is 4310081.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (195696).

2^1800134 is an apocalyptic number.

1800134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1800134 is a deficient number, since it is larger than the sum of its proper divisors (1331002).

1800134 is a wasteful number, since it uses less digits than its factorization.

1800134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1800134 is about 1341.6907244220. The cubic root of 1800134 is about 121.6470584109.

The spelling of 1800134 in words is "one million, eight hundred thousand, one hundred thirty-four".