433640134 has 4 divisors (see below), whose sum is σ = 650460204. Its totient is φ = 216820066.

The previous prime is 433640113. The next prime is 433640153. The reversal of 433640134 is 431046334.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108410032 + ... + 108410035.

It is an arithmetic number, because the mean of its divisors is an integer number (162615051).

Almost surely, 2^433640134 is an apocalyptic number.

433640134 is a deficient number, since it is larger than the sum of its proper divisors (216820070).

433640134 is a wasteful number, since it uses less digits than its factorization.

433640134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216820069.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 433640134 is about 20824.0278044378. The cubic root of 433640134 is about 756.9081066503.

Adding to 433640134 its reverse (431046334), we get a palindrome (864686468).

The spelling of 433640134 in words is "four hundred thirty-three million, six hundred forty thousand, one hundred thirty-four".