33102140 has 24 divisors (see below), whose sum is σ = 70193760. Its totient is φ = 13111488.

The previous prime is 33102109. The next prime is 33102151. The reversal of 33102140 is 4120133.

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, 5975 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (2924740).

Almost surely, 2^33102140 is an apocalyptic number.

It is an amenable number.

33102140 is an abundant number, since it is smaller than the sum of its proper divisors (37091620).

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

33102140 is a wasteful number, since it uses less digits than its factorization.

33102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181 (or 16179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 33102140 is about 5753.4459239659. The cubic root of 33102140 is about 321.0840189873.

Adding to 33102140 its reverse (4120133), we get a palindrome (37222273).

The spelling of 33102140 in words is "thirty-three million, one hundred two thousand, one hundred forty".