33139416 has 32 divisors (see below), whose sum is σ = 84414960. Its totient is φ = 10837632.

The previous prime is 33139411. The next prime is 33139453. The reversal of 33139416 is 61493133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33139411) 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, 11755 + ... + 14298.

Almost surely, 2^33139416 is an apocalyptic number.

It is an amenable number.

33139416 is an abundant number, since it is smaller than the sum of its proper divisors (51275544).

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

33139416 is a wasteful number, since it uses less digits than its factorization.

33139416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26115 (or 26111 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 33139416 is about 5756.6844624315. The cubic root of 33139416 is about 321.2044969793.

The spelling of 33139416 in words is "thirty-three million, one hundred thirty-nine thousand, four hundred sixteen".