18435132 has 36 divisors (see below), whose sum is σ = 47687640. Its totient is φ = 6001632.

The previous prime is 18435127. The next prime is 18435133. The reversal of 18435132 is 23153481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18435096 and 18435105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18435133) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 4407 + ... + 7502.

Almost surely, 2^18435132 is an apocalyptic number.

18435132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18435132 is an abundant number, since it is smaller than the sum of its proper divisors (29252508).

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

18435132 is a wasteful number, since it uses less digits than its factorization.

18435132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962 (or 11957 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18435132 is about 4293.6152598946. The cubic root of 18435132 is about 264.1691409220.

The spelling of 18435132 in words is "eighteen million, four hundred thirty-five thousand, one hundred thirty-two".