133001219 has 4 divisors (see below), whose sum is σ = 143232096. Its totient is φ = 122770344.

The previous prime is 133001207. The next prime is 133001233. The reversal of 133001219 is 912100331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912100331 = 3671 ⋅248461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133001219 is a prime.

It is a super-2 number, since 2×133001219² = 35378648510971922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133001219.

It is not an unprimeable number, because it can be changed into a prime (133001299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115419 + ... + 5115444.

It is an arithmetic number, because the mean of its divisors is an integer number (35808024).

Almost surely, 2^133001219 is an apocalyptic number.

133001219 is a deficient number, since it is larger than the sum of its proper divisors (10230877).

133001219 is a wasteful number, since it uses less digits than its factorization.

133001219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230876.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 133001219 is about 11532.6154449023. The cubic root of 133001219 is about 510.4484316809.

The spelling of 133001219 in words is "one hundred thirty-three million, one thousand, two hundred nineteen".