133230534 has 16 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 44266760.

The previous prime is 133230511. The next prime is 133230541. The reversal of 133230534 is 435032331.

It is a happy number.

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, 33834 + ... + 37565.

It is an arithmetic number, because the mean of its divisors is an integer number (16707600).

Almost surely, 2^133230534 is an apocalyptic number.

133230534 is an abundant number, since it is smaller than the sum of its proper divisors (134091066).

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

133230534 is a wasteful number, since it uses less digits than its factorization.

133230534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71715.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 133230534 is about 11542.5531837631. The cubic root of 133230534 is about 510.7416276744.

Adding to 133230534 its reverse (435032331), we get a palindrome (568262865).

The spelling of 133230534 in words is "one hundred thirty-three million, two hundred thirty thousand, five hundred thirty-four".