634132146 has 8 divisors (see below), whose sum is σ = 1268264304. Its totient is φ = 211377380.

The previous prime is 634132133. The next prime is 634132193. The reversal of 634132146 is 641231436.

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

634132146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52844340 + ... + 52844351.

It is an arithmetic number, because the mean of its divisors is an integer number (158533038).

Almost surely, 2^634132146 is an apocalyptic number.

634132146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634132146 is a wasteful number, since it uses less digits than its factorization.

634132146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105688696.

The product of its digits is 10368, while the sum is 30.

The square root of 634132146 is about 25181.9805813602. The cubic root of 634132146 is about 859.1320547436.

The spelling of 634132146 in words is "six hundred thirty-four million, one hundred thirty-two thousand, one hundred forty-six".