1999134 has 16 divisors (see below), whose sum is σ = 4442640. Its totient is φ = 666360.

The previous prime is 1999121. The next prime is 1999163. The reversal of 1999134 is 4319991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18457 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (277665).

2^1999134 is an apocalyptic number.

1999134 is an abundant number, since it is smaller than the sum of its proper divisors (2443506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1999134 is a wasteful number, since it uses less digits than its factorization.

1999134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37032 (or 37026 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1999134 is about 1413.9073519860. The cubic root of 1999134 is about 125.9739175037.

The spelling of 1999134 in words is "one million, nine hundred ninety-nine thousand, one hundred thirty-four".