133643069 has 8 divisors (see below), whose sum is σ = 161719488. Its totient is φ = 107812800.

The previous prime is 133643057. The next prime is 133643101. The reversal of 133643069 is 960346331.

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 133643069 - 2⁸ = 133642813 is a prime.

It is a super-2 number, since 2×133643069² = 35720939783477522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133643039) 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, 561407 + ... + 561644.

It is an arithmetic number, because the mean of its divisors is an integer number (20214936).

Almost surely, 2^133643069 is an apocalyptic number.

It is an amenable number.

133643069 is a deficient number, since it is larger than the sum of its proper divisors (28076419).

133643069 is a wasteful number, since it uses less digits than its factorization.

133643069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123075.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 133643069 is about 11560.4095515687. The cubic root of 133643069 is about 511.2682379419.

The spelling of 133643069 in words is "one hundred thirty-three million, six hundred forty-three thousand, sixty-nine".