133699980241 has 8 divisors (see below), whose sum is σ = 135371937960. Its totient is φ = 132031794048.

The previous prime is 133699980217. The next prime is 133699980247. The reversal of 133699980241 is 142089996331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12105500625 + 121594479616 = 110025^2 + 348704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133699980241 - 2⁵ = 133699980209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133699980247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871506 + ... + 1013371.

It is an arithmetic number, because the mean of its divisors is an integer number (16921492245).

Almost surely, 2^133699980241 is an apocalyptic number.

It is an amenable number.

133699980241 is a deficient number, since it is larger than the sum of its proper divisors (1671957719).

133699980241 is an equidigital number, since it uses as much as digits as its factorization.

133699980241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885763.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 133699980241 in words is "one hundred thirty-three billion, six hundred ninety-nine million, nine hundred eighty thousand, two hundred forty-one".