133234436 has 6 divisors (see below), whose sum is σ = 233160270. Its totient is φ = 66617216.

The previous prime is 133234433. The next prime is 133234463. The reversal of 133234436 is 634432331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 846400 = 11506^2 + 920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133234399 and 133234408.

It is not an unprimeable number, because it can be changed into a prime (133234433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16654301 + ... + 16654308.

It is an arithmetic number, because the mean of its divisors is an integer number (38860045).

Almost surely, 2^133234436 is an apocalyptic number.

It is an amenable number.

133234436 is a deficient number, since it is larger than the sum of its proper divisors (99925834).

133234436 is a wasteful number, since it uses less digits than its factorization.

133234436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33308613 (or 33308611 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

The square root of 133234436 is about 11542.7222092538. The cubic root of 133234436 is about 510.7466137546.

Adding to 133234436 its reverse (634432331), we get a palindrome (767666767).

The spelling of 133234436 in words is "one hundred thirty-three million, two hundred thirty-four thousand, four hundred thirty-six".