33140757 has 8 divisors (see below), whose sum is σ = 47586784. Its totient is φ = 20394288.

The previous prime is 33140749. The next prime is 33140791. The reversal of 33140757 is 75704133.

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

It is not a de Polignac number, because 33140757 - 2³ = 33140749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424843 + ... + 424920.

It is an arithmetic number, because the mean of its divisors is an integer number (5948348).

Almost surely, 2^33140757 is an apocalyptic number.

It is an amenable number.

33140757 is a deficient number, since it is larger than the sum of its proper divisors (14446027).

33140757 is a wasteful number, since it uses less digits than its factorization.

33140757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849779.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 33140757 is about 5756.8009345469. The cubic root of 33140757 is about 321.2088294779.

The spelling of 33140757 in words is "thirty-three million, one hundred forty thousand, seven hundred fifty-seven".