33140069 has 6 divisors (see below), whose sum is σ = 34314930. Its totient is φ = 31967376.

The previous prime is 33140039. The next prime is 33140071. The reversal of 33140069 is 96004133.

It can be written as a sum of positive squares in 3 ways, for example, as 4389025 + 28751044 = 2095^2 + 5362^2 .

It is not a de Polignac number, because 33140069 - 2¹⁶ = 33074533 is a prime.

It is a super-2 number, since 2×33140069² = 2196528346649522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30467 + ... + 31535.

It is an arithmetic number, because the mean of its divisors is an integer number (5719155).

Almost surely, 2^33140069 is an apocalyptic number.

It is an amenable number.

33140069 is a deficient number, since it is larger than the sum of its proper divisors (1174861).

33140069 is an frugal number, since it uses more digits than its factorization.

33140069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33140069 is about 5756.7411788268. The cubic root of 33140069 is about 321.2066067043.

The spelling of 33140069 in words is "thirty-three million, one hundred forty thousand, sixty-nine".