133134436 has 24 divisors (see below), whose sum is σ = 239825600. Its totient is φ = 64621152.

The previous prime is 133134433. The next prime is 133134439. The reversal of 133134436 is 634431331.

It is an interprime number because it is at equal distance from previous prime (133134433) and next prime (133134439).

It is not an unprimeable number, because it can be changed into a prime (133134431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94465 + ... + 95863.

Almost surely, 2^133134436 is an apocalyptic number.

It is an amenable number.

133134436 is a deficient number, since it is larger than the sum of its proper divisors (106691164).

133134436 is a wasteful number, since it uses less digits than its factorization.

133134436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2081 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 133134436 is about 11538.3896623402. The cubic root of 133134436 is about 510.6188003394.

Adding to 133134436 its reverse (634431331), we get a palindrome (767565767).

The spelling of 133134436 in words is "one hundred thirty-three million, one hundred thirty-four thousand, four hundred thirty-six".