1634630133 has 8 divisors (see below), whose sum is σ = 2179793088. Its totient is φ = 1089610304.

The previous prime is 1634630113. The next prime is 1634630161. The reversal of 1634630133 is 3310364361.

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 1634630133 - 2²⁴ = 1617852917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1634630133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634630113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5460 + ... + 57437.

It is an arithmetic number, because the mean of its divisors is an integer number (272474136).

Almost surely, 2^1634630133 is an apocalyptic number.

It is an amenable number.

1634630133 is a deficient number, since it is larger than the sum of its proper divisors (545162955).

1634630133 is an equidigital number, since it uses as much as digits as its factorization.

1634630133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71563.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 1634630133 is about 40430.5593950912. The cubic root of 1634630133 is about 1177.9851984135.

Adding to 1634630133 its reverse (3310364361), we get a palindrome (4944994494).

The spelling of 1634630133 in words is "one billion, six hundred thirty-four million, six hundred thirty thousand, one hundred thirty-three".