133011334544 has 40 divisors (see below), whose sum is σ = 281198802720. Its totient is φ = 60446534400.

The previous prime is 133011334529. The next prime is 133011334571. The reversal of 133011334544 is 445433110331.

It is a self number, because there is not a number n which added to its sum of digits gives 133011334544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752399 + ... + 912209.

It is an arithmetic number, because the mean of its divisors is an integer number (7029970068).

Almost surely, 2^133011334544 is an apocalyptic number.

It is an amenable number.

133011334544 is an abundant number, since it is smaller than the sum of its proper divisors (148187468176).

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

133011334544 is a wasteful number, since it uses less digits than its factorization.

133011334544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164559 (or 164553 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 133011334544 its reverse (445433110331), we get a palindrome (578444444875).

The spelling of 133011334544 in words is "one hundred thirty-three billion, eleven million, three hundred thirty-four thousand, five hundred forty-four".