133641069 has 16 divisors (see below), whose sum is σ = 183168768. Its totient is φ = 86628672.

The previous prime is 133641059. The next prime is 133641073. The reversal of 133641069 is 960146331.

It is not a de Polignac number, because 133641069 - 2¹¹ = 133639021 is a prime.

It is a super-2 number, since 2×133641069² = 35719870646925522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133641059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19119 + ... + 25155.

It is an arithmetic number, because the mean of its divisors is an integer number (11448048).

Almost surely, 2^133641069 is an apocalyptic number.

It is an amenable number.

133641069 is a deficient number, since it is larger than the sum of its proper divisors (49527699).

133641069 is a wasteful number, since it uses less digits than its factorization.

133641069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 133641069 is about 11560.3230491193. The cubic root of 133641069 is about 511.2656875127.

The spelling of 133641069 in words is "one hundred thirty-three million, six hundred forty-one thousand, sixty-nine".