133121233464508 has 48 divisors (see below), whose sum is σ = 235193434564480. Its totient is φ = 65925551764800.

The previous prime is 133121233464497. The next prime is 133121233464511. The reversal of 133121233464508 is 805464332121331.

It is a super-2 number, since 2×133121233464508² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419767723 + ... + 420084733.

Almost surely, 2^{133121233464508} is an apocalyptic number.

It is an amenable number.

133121233464508 is a deficient number, since it is larger than the sum of its proper divisors (102072201099972).

133121233464508 is a wasteful number, since it uses less digits than its factorization.

133121233464508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318938 (or 318936 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

Adding to 133121233464508 its reverse (805464332121331), we get a palindrome (938585565585839).

The spelling of 133121233464508 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, four hundred sixty-four thousand, five hundred eight".