18134632 has 8 divisors (see below), whose sum is σ = 34002450. Its totient is φ = 9067312.

The previous prime is 18134617. The next prime is 18134663. The reversal of 18134632 is 23643181.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 5503716 = 3554^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 18134632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133407 + ... + 1133422.

Almost surely, 2^18134632 is an apocalyptic number.

It is an amenable number.

18134632 is a deficient number, since it is larger than the sum of its proper divisors (15867818).

18134632 is a wasteful number, since it uses less digits than its factorization.

18134632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266835 (or 2266831 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 18134632 is about 4258.4776622638. The cubic root of 18134632 is about 262.7259164727.

The spelling of 18134632 in words is "eighteen million, one hundred thirty-four thousand, six hundred thirty-two".