133505022 has 16 divisors (see below), whose sum is σ = 305154432. Its totient is φ = 38144280.

The previous prime is 133505011. The next prime is 133505033. The reversal of 133505022 is 220505331.

It is an interprime number because it is at equal distance from previous prime (133505011) and next prime (133505033).

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

It is a self number, because there is not a number n which added to its sum of digits gives 133505022.

It is a congruent number.

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, 1589304 + ... + 1589387.

It is an arithmetic number, because the mean of its divisors is an integer number (19072152).

Almost surely, 2^133505022 is an apocalyptic number.

133505022 is an abundant number, since it is smaller than the sum of its proper divisors (171649410).

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

133505022 is a wasteful number, since it uses less digits than its factorization.

133505022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178703.

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

The square root of 133505022 is about 11554.4373294419. The cubic root of 133505022 is about 511.0921386187.

The spelling of 133505022 in words is "one hundred thirty-three million, five hundred five thousand, twenty-two".