33140899 has 4 divisors (see below), whose sum is σ = 36153720. Its totient is φ = 30128080.

The previous prime is 33140857. The next prime is 33140903. The reversal of 33140899 is 99804133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33140899 - 2¹⁹ = 32616611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140819) 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, 1506394 + ... + 1506415.

It is an arithmetic number, because the mean of its divisors is an integer number (9038430).

Almost surely, 2^33140899 is an apocalyptic number.

33140899 is a deficient number, since it is larger than the sum of its proper divisors (3012821).

33140899 is a wasteful number, since it uses less digits than its factorization.

33140899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012820.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 33140899 is about 5756.8132677724. The cubic root of 33140899 is about 321.2092882442.

The spelling of 33140899 in words is "thirty-three million, one hundred forty thousand, eight hundred ninety-nine".