133534430 has 8 divisors (see below), whose sum is σ = 240361992. Its totient is φ = 53413768.

The previous prime is 133534421. The next prime is 133534433. The reversal of 133534430 is 34435331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×133534430³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133534430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133534433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6676712 + ... + 6676731.

It is an arithmetic number, because the mean of its divisors is an integer number (30045249).

Almost surely, 2^133534430 is an apocalyptic number.

133534430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133534430 is a deficient number, since it is larger than the sum of its proper divisors (106827562).

133534430 is a wasteful number, since it uses less digits than its factorization.

133534430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353450.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 133534430 is about 11555.7098440554. The cubic root of 133534430 is about 511.1296630352.

Adding to 133534430 its reverse (34435331), we get a palindrome (167969761).

Subtracting from 133534430 its reverse (34435331), we obtain a palindrome (99099099).

The spelling of 133534430 in words is "one hundred thirty-three million, five hundred thirty-four thousand, four hundred thirty".