133223115564 has 108 divisors (see below), whose sum is σ = 423035481232. Its totient is φ = 34603398720.

The previous prime is 133223115559. The next prime is 133223115577. The reversal of 133223115564 is 465511322331.

133223115564 is a `hidden beast` number, since 1 + 33 + 22 + 31 + 15 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2154067 + ... + 2215050.

Almost surely, 2^133223115564 is an apocalyptic number.

133223115564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133223115564 is an abundant number, since it is smaller than the sum of its proper divisors (289812365668).

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

133223115564 is a wasteful number, since it uses less digits than its factorization.

133223115564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369156 (or 4369140 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 133223115564 its reverse (465511322331), we get a palindrome (598734437895).

The spelling of 133223115564 in words is "one hundred thirty-three billion, two hundred twenty-three million, one hundred fifteen thousand, five hundred sixty-four".