133022505 has 48 divisors (see below), whose sum is σ = 270108864. Its totient is φ = 55278720.

The previous prime is 133022473. The next prime is 133022531. The reversal of 133022505 is 505220331.

It is not a de Polignac number, because 133022505 - 2⁵ = 133022473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (5627268).

Almost surely, 2^133022505 is an apocalyptic number.

133022505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133022505 is an abundant number, since it is smaller than the sum of its proper divisors (137086359).

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

133022505 is a wasteful number, since it uses less digits than its factorization.

133022505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486 (or 16479 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 133022505 is about 11533.5382688922. The cubic root of 133022505 is about 510.4756615710.

Adding to 133022505 its reverse (505220331), we get a palindrome (638242836).

The spelling of 133022505 in words is "one hundred thirty-three million, twenty-two thousand, five hundred five".