33135530 has 16 divisors (see below), whose sum is σ = 59724000. Its totient is φ = 13236432.

The previous prime is 33135527. The next prime is 33135551. The reversal of 33135530 is 3553133.

It is a junction number, because it is equal to n+sod(n) for n = 33135496 and 33135505.

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, 7721 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (3732750).

Almost surely, 2^33135530 is an apocalyptic number.

33135530 is a deficient number, since it is larger than the sum of its proper divisors (26588470).

33135530 is a wasteful number, since it uses less digits than its factorization.

33135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 33135530 is about 5756.3469318657. The cubic root of 33135530 is about 321.1919414426.

Adding to 33135530 its reverse (3553133), we get a palindrome (36688663).

The spelling of 33135530 in words is "thirty-three million, one hundred thirty-five thousand, five hundred thirty".