133321134 has 16 divisors (see below), whose sum is σ = 266756688. Its totient is φ = 44421312.

The previous prime is 133321127. The next prime is 133321147. The reversal of 133321134 is 431123331.

133321134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133321134.

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, 21604 + ... + 27080.

It is an arithmetic number, because the mean of its divisors is an integer number (16672293).

Almost surely, 2^133321134 is an apocalyptic number.

133321134 is an abundant number, since it is smaller than the sum of its proper divisors (133435554).

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

133321134 is a wasteful number, since it uses less digits than its factorization.

133321134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539.

The product of its digits is 648, while the sum is 21.

The square root of 133321134 is about 11546.4771250802. The cubic root of 133321134 is about 510.8573736802.

Adding to 133321134 its reverse (431123331), we get a palindrome (564444465).

The spelling of 133321134 in words is "one hundred thirty-three million, three hundred twenty-one thousand, one hundred thirty-four".