133136000446 has 16 divisors (see below), whose sum is σ = 211490197776. Its totient is φ = 62640708736.

The previous prime is 133136000441. The next prime is 133136000453. The reversal of 133136000446 is 644000631331.

It is a happy number.

It is a super-2 number, since 2×133136000446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133136000441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171256 + ... + 543691.

It is an arithmetic number, because the mean of its divisors is an integer number (13218137361).

Almost surely, 2^133136000446 is an apocalyptic number.

133136000446 is a deficient number, since it is larger than the sum of its proper divisors (78354197330).

133136000446 is a wasteful number, since it uses less digits than its factorization.

133136000446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720443.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 133136000446 its reverse (644000631331), we get a palindrome (777136631777).

The spelling of 133136000446 in words is "one hundred thirty-three billion, one hundred thirty-six million, four hundred forty-six", and thus it is an aban number.