133612434 has 12 divisors (see below), whose sum is σ = 289493646. Its totient is φ = 44537472.

The previous prime is 133612429. The next prime is 133612441. The reversal of 133612434 is 434216331.

133612434 is a `hidden beast` number, since 1 + 3 + 3 + 612 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133471809 + 140625 = 11553^2 + 375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133612398 and 133612407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3711439 + ... + 3711474.

Almost surely, 2^133612434 is an apocalyptic number.

133612434 is an abundant number, since it is smaller than the sum of its proper divisors (155881212).

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

133612434 is a wasteful number, since it uses less digits than its factorization.

133612434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422921 (or 7422918 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 133612434 is about 11559.0844793176. The cubic root of 133612434 is about 511.2291689514.

Adding to 133612434 its reverse (434216331), we get a palindrome (567828765).

The spelling of 133612434 in words is "one hundred thirty-three million, six hundred twelve thousand, four hundred thirty-four".