656134 has 4 divisors (see below), whose sum is σ = 984204. Its totient is φ = 328066.

The previous prime is 656129. The next prime is 656141. The reversal of 656134 is 431656.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 656099 and 656108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164032 + ... + 164035.

It is an arithmetic number, because the mean of its divisors is an integer number (246051).

2⁶⁵⁶¹³⁴ is an apocalyptic number.

656134 is a deficient number, since it is larger than the sum of its proper divisors (328070).

656134 is a wasteful number, since it uses less digits than its factorization.

656134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328069.

The product of its digits is 2160, while the sum is 25.

The square root of 656134 is about 810.0209873824. The cubic root of 656134 is about 86.8955455780.

The spelling of 656134 in words is "six hundred fifty-six thousand, one hundred thirty-four".