634136 has 16 divisors (see below), whose sum is σ = 1227840. Its totient is φ = 306720.

The previous prime is 634103. The next prime is 634141. The reversal of 634136 is 631436.

It is a congruent number.

It is an unprimeable number.

634136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (76740).

2⁶³⁴¹³⁶ is an apocalyptic number.

It is an amenable number.

634136 is a deficient number, since it is larger than the sum of its proper divisors (593704).

634136 is a wasteful number, since it uses less digits than its factorization.

634136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2590 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 634136 is about 796.3265661775. The cubic root of 634136 is about 85.9133795226.

The spelling of 634136 in words is "six hundred thirty-four thousand, one hundred thirty-six".