133413352221523 has 16 divisors (see below), whose sum is σ = 146040501600000. Its totient is φ = 120869324275680.

The previous prime is 133413352221493. The next prime is 133413352221547. The reversal of 133413352221523 is 325122253314331.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133413352221523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133413352221563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291449578 + ... + 291906976.

It is an arithmetic number, because the mean of its divisors is an integer number (9127531350000).

Almost surely, 2^{133413352221523} is an apocalyptic number.

133413352221523 is a deficient number, since it is larger than the sum of its proper divisors (12627149378477).

133413352221523 is a wasteful number, since it uses less digits than its factorization.

133413352221523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548202.

The product of its digits is 388800, while the sum is 40.

The spelling of 133413352221523 in words is "one hundred thirty-three trillion, four hundred thirteen billion, three hundred fifty-two million, two hundred twenty-one thousand, five hundred twenty-three".