133015969 has 8 divisors (see below), whose sum is σ = 141753600. Its totient is φ = 124524576.

The previous prime is 133015963. The next prime is 133015997. The reversal of 133015969 is 969510331.

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

It is not a de Polignac number, because 133015969 - 2⁵ = 133015937 is a prime.

It is a super-2 number, since 2×133015969² = 35386496018017922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133015963) 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, 60444 + ... + 62605.

It is an arithmetic number, because the mean of its divisors is an integer number (17719200).

Almost surely, 2^133015969 is an apocalyptic number.

It is an amenable number.

133015969 is a deficient number, since it is larger than the sum of its proper divisors (8737631).

133015969 is a wasteful number, since it uses less digits than its factorization.

133015969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123119.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 133015969 is about 11533.2549178452. The cubic root of 133015969 is about 510.4673007713.

The spelling of 133015969 in words is "one hundred thirty-three million, fifteen thousand, nine hundred sixty-nine".