33140330 has 16 divisors (see below), whose sum is σ = 61710120. Its totient is φ = 12798912.

The previous prime is 33140299. The next prime is 33140339. The reversal of 33140330 is 3304133.

It can be written as a sum of positive squares in 4 ways, for example, as 28633201 + 4507129 = 5351^2 + 2123^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33140299 and 33140308.

It is not an unprimeable number, because it can be changed into a prime (33140339) 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, 56849 + ... + 57428.

Almost surely, 2^33140330 is an apocalyptic number.

33140330 is a deficient number, since it is larger than the sum of its proper divisors (28569790).

33140330 is a wasteful number, since it uses less digits than its factorization.

33140330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114313.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33140330 is about 5756.7638478576. The cubic root of 33140330 is about 321.2074499403.

Adding to 33140330 its reverse (3304133), we get a palindrome (36444463).

The spelling of 33140330 in words is "thirty-three million, one hundred forty thousand, three hundred thirty".