133521223335 has 16 divisors (see below), whose sum is σ = 221000646240. Its totient is φ = 68755756160.

The previous prime is 133521223331. The next prime is 133521223337. The reversal of 133521223335 is 533322125331.

It is a happy number.

It is not a de Polignac number, because 133521223335 - 2² = 133521223331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133521223296 and 133521223305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133521223331) 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, 153472236 + ... + 153473105.

It is an arithmetic number, because the mean of its divisors is an integer number (13812540390).

Almost surely, 2^133521223335 is an apocalyptic number.

133521223335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133521223335 is a deficient number, since it is larger than the sum of its proper divisors (87479422905).

133521223335 is a wasteful number, since it uses less digits than its factorization.

133521223335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306945378.

The product of its digits is 48600, while the sum is 33.

Adding to 133521223335 its reverse (533322125331), we get a palindrome (666843348666).

The spelling of 133521223335 in words is "one hundred thirty-three billion, five hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-five".