33140234 has 8 divisors (see below), whose sum is σ = 51053988. Its totient is φ = 16122240.

The previous prime is 33140231. The next prime is 33140257. The reversal of 33140234 is 43204133.

It can be written as a sum of positive squares in 2 ways, for example, as 33028009 + 112225 = 5747^2 + 335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33140231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223847 + ... + 223994.

Almost surely, 2^33140234 is an apocalyptic number.

33140234 is a deficient number, since it is larger than the sum of its proper divisors (17913754).

33140234 is a wasteful number, since it uses less digits than its factorization.

33140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447880.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33140234 is about 5756.7555098336. The cubic root of 33140234 is about 321.2071397851.

Adding to 33140234 its reverse (43204133), we get a palindrome (76344367).

The spelling of 33140234 in words is "thirty-three million, one hundred forty thousand, two hundred thirty-four".