133380436559 has 4 divisors (see below), whose sum is σ = 134755492704. Its totient is φ = 132005380416.

The previous prime is 133380436549. The next prime is 133380436589. The reversal of 133380436559 is 955634083331.

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

It is a cyclic number.

It is not a de Polignac number, because 133380436559 - 2¹⁶ = 133380371023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133380436549) 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, 687527927 + ... + 687528120.

It is an arithmetic number, because the mean of its divisors is an integer number (33688873176).

Almost surely, 2^133380436559 is an apocalyptic number.

133380436559 is a deficient number, since it is larger than the sum of its proper divisors (1375056145).

133380436559 is an equidigital number, since it uses as much as digits as its factorization.

133380436559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375056144.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 133380436559 in words is "one hundred thirty-three billion, three hundred eighty million, four hundred thirty-six thousand, five hundred fifty-nine".