33139017 has 16 divisors (see below), whose sum is σ = 49279680. Its totient is φ = 22009536.

The previous prime is 33139003. The next prime is 33139019. The reversal of 33139017 is 71093133.

It is not a de Polignac number, because 33139017 - 2⁸ = 33138761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (33139019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5473 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (3079980).

Almost surely, 2^33139017 is an apocalyptic number.

It is an amenable number.

33139017 is a deficient number, since it is larger than the sum of its proper divisors (16140663).

33139017 is a wasteful number, since it uses less digits than its factorization.

33139017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 33139017 is about 5756.6498069624. The cubic root of 33139017 is about 321.2032078688.

The spelling of 33139017 in words is "thirty-three million, one hundred thirty-nine thousand, seventeen".