33139061 has 8 divisors (see below), whose sum is σ = 34084800. Its totient is φ = 32206240.

The previous prime is 33139033. The next prime is 33139079. The reversal of 33139061 is 16093133.

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

It is a cyclic number.

It is not a de Polignac number, because 33139061 - 2¹⁰ = 33138037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33139061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33139091) 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, 2096 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (4260600).

Almost surely, 2^33139061 is an apocalyptic number.

It is an amenable number.

33139061 is a deficient number, since it is larger than the sum of its proper divisors (945739).

33139061 is an equidigital number, since it uses as much as digits as its factorization.

33139061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 33139061 is about 5756.6536286284. The cubic root of 33139061 is about 321.2033500269.

The spelling of 33139061 in words is "thirty-three million, one hundred thirty-nine thousand, sixty-one".