133311352656 has 20 divisors (see below), whose sum is σ = 344387661152. Its totient is φ = 44437117536.

The previous prime is 133311352591. The next prime is 133311352667. The reversal of 133311352656 is 656253113331.

It is a congruent number.

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, 1388659876 + ... + 1388659971.

Almost surely, 2^133311352656 is an apocalyptic number.

133311352656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133311352656 is an abundant number, since it is smaller than the sum of its proper divisors (211076308496).

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

133311352656 is a wasteful number, since it uses less digits than its factorization.

133311352656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777319858 (or 2777319852 counting only the distinct ones).

The product of its digits is 145800, while the sum is 39.

Adding to 133311352656 its reverse (656253113331), we get a palindrome (789564465987).

The spelling of 133311352656 in words is "one hundred thirty-three billion, three hundred eleven million, three hundred fifty-two thousand, six hundred fifty-six".