133233840517 has 4 divisors (see below), whose sum is σ = 133235052940. Its totient is φ = 133232628096.

The previous prime is 133233840511. The next prime is 133233840539. The reversal of 133233840517 is 715048332331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62153481636 + 71080358881 = 249306^2 + 266609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133233840517 is a prime.

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 133233840517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133233840511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422898 + ... + 667315.

It is an arithmetic number, because the mean of its divisors is an integer number (33308763235).

Almost surely, 2^133233840517 is an apocalyptic number.

It is an amenable number.

133233840517 is a deficient number, since it is larger than the sum of its proper divisors (1212423).

133233840517 is a wasteful number, since it uses less digits than its factorization.

133233840517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212422.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 133233840517 in words is "one hundred thirty-three billion, two hundred thirty-three million, eight hundred forty thousand, five hundred seventeen".