133040346636 has 12 divisors (see below), whose sum is σ = 310427475512. Its totient is φ = 44346782208.

The previous prime is 133040346583. The next prime is 133040346641. The reversal of 133040346636 is 636643040331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 133040346594 and 133040346603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5543347765 + ... + 5543347788.

Almost surely, 2^133040346636 is an apocalyptic number.

It is an amenable number.

133040346636 is an abundant number, since it is smaller than the sum of its proper divisors (177387128876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133040346636 is a wasteful number, since it uses less digits than its factorization.

133040346636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11086695560 (or 11086695558 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 39.

Adding to 133040346636 its reverse (636643040331), we get a palindrome (769683386967).

The spelling of 133040346636 in words is "one hundred thirty-three billion, forty million, three hundred forty-six thousand, six hundred thirty-six".