632138835 has 32 divisors (see below), whose sum is σ = 1068030720. Its totient is φ = 318384000.

The previous prime is 632138827. The next prime is 632138849. The reversal of 632138835 is 538831236.

It is not a de Polignac number, because 632138835 - 2³ = 632138827 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 632138793 and 632138802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90985 + ... + 97685.

It is an arithmetic number, because the mean of its divisors is an integer number (33375960).

Almost surely, 2^632138835 is an apocalyptic number.

632138835 is a deficient number, since it is larger than the sum of its proper divisors (435891885).

632138835 is a wasteful number, since it uses less digits than its factorization.

632138835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059.

The product of its digits is 103680, while the sum is 39.

The square root of 632138835 is about 25142.3713082120. The cubic root of 632138835 is about 858.2309203435.

The spelling of 632138835 in words is "six hundred thirty-two million, one hundred thirty-eight thousand, eight hundred thirty-five".