133323134 has 32 divisors (see below), whose sum is σ = 244062720. Its totient is φ = 53377632.

The previous prime is 133323109. The next prime is 133323139. The reversal of 133323134 is 431323331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133323139) 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, 9032 + ... + 18660.

It is an arithmetic number, because the mean of its divisors is an integer number (7626960).

Almost surely, 2^133323134 is an apocalyptic number.

133323134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133323134 is a deficient number, since it is larger than the sum of its proper divisors (110739586).

133323134 is a wasteful number, since it uses less digits than its factorization.

133323134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9704.

The product of its digits is 1944, while the sum is 23.

The square root of 133323134 is about 11546.5637312579. The cubic root of 133323134 is about 510.8599281880.

Adding to 133323134 its reverse (431323331), we get a palindrome (564646465).

The spelling of 133323134 in words is "one hundred thirty-three million, three hundred twenty-three thousand, one hundred thirty-four".