634133937 has 8 divisors (see below), whose sum is σ = 846179136. Its totient is φ = 422422352.

The previous prime is 634133893. The next prime is 634133957. The reversal of 634133937 is 739331436.

It is a happy number.

634133937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 634133937 - 2⁷ = 634133809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634133895 and 634133904.

It is not an unprimeable number, because it can be changed into a prime (634133957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78933 + ... + 86594.

It is an arithmetic number, because the mean of its divisors is an integer number (105772392).

Almost surely, 2^634133937 is an apocalyptic number.

It is an amenable number.

634133937 is a deficient number, since it is larger than the sum of its proper divisors (212045199).

634133937 is a wasteful number, since it uses less digits than its factorization.

634133937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166807.

The product of its digits is 122472, while the sum is 39.

The square root of 634133937 is about 25182.0161424776. The cubic root of 634133937 is about 859.1328635677.

The spelling of 634133937 in words is "six hundred thirty-four million, one hundred thirty-three thousand, nine hundred thirty-seven".