133953366 has 32 divisors (see below), whose sum is σ = 276086880. Its totient is φ = 43307264.

The previous prime is 133953361. The next prime is 133953409. The reversal of 133953366 is 663359331.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133953361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25936 + ... + 30668.

It is an arithmetic number, because the mean of its divisors is an integer number (8627715).

Almost surely, 2^133953366 is an apocalyptic number.

133953366 is an abundant number, since it is smaller than the sum of its proper divisors (142133514).

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

133953366 is a wasteful number, since it uses less digits than its factorization.

133953366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880.

The product of its digits is 131220, while the sum is 39.

The square root of 133953366 is about 11573.8224455017. The cubic root of 133953366 is about 511.6636253903.

It can be divided in two parts, 13395 and 3366, that added together give a palindrome (16761).

The spelling of 133953366 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, three hundred sixty-six".