133105661219 has 4 divisors (see below), whose sum is σ = 134397949296. Its totient is φ = 131813373144.

The previous prime is 133105661207. The next prime is 133105661231. The reversal of 133105661219 is 912166501331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (133105661207) and next prime (133105661231).

It is a cyclic number.

It is not a de Polignac number, because 133105661219 - 2³² = 128810693923 is a prime.

It is a super-2 number, since 2×133105661219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133105661239) 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, 646143884 + ... + 646144089.

It is an arithmetic number, because the mean of its divisors is an integer number (33599487324).

Almost surely, 2^133105661219 is an apocalyptic number.

133105661219 is a deficient number, since it is larger than the sum of its proper divisors (1292288077).

133105661219 is a wasteful number, since it uses less digits than its factorization.

133105661219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292288076.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 133105661219 in words is "one hundred thirty-three billion, one hundred five million, six hundred sixty-one thousand, two hundred nineteen".