33540132 has 24 divisors (see below), whose sum is σ = 80170272. Its totient is φ = 10907200.

The previous prime is 33540121. The next prime is 33540139. The reversal of 33540132 is 23104533.

It is a super-2 number, since 2×33540132² = 2249880909154848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33540099 and 33540108.

It is not an unprimeable number, because it can be changed into a prime (33540139) 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, 33594 + ... + 34577.

It is an arithmetic number, because the mean of its divisors is an integer number (3340428).

Almost surely, 2^33540132 is an apocalyptic number.

It is an amenable number.

33540132 is an abundant number, since it is smaller than the sum of its proper divisors (46630140).

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

33540132 is a wasteful number, since it uses less digits than its factorization.

33540132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68219 (or 68217 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33540132 is about 5791.3842904784. The cubic root of 33540132 is about 322.4939629902.

Adding to 33540132 its reverse (23104533), we get a palindrome (56644665).

The spelling of 33540132 in words is "thirty-three million, five hundred forty thousand, one hundred thirty-two".