134705646 has 32 divisors (see below), whose sum is σ = 302443680. Its totient is φ = 44437248.

The previous prime is 134705591. The next prime is 134705647. The reversal of 134705646 is 646507431.

It is a happy number.

134705646 is a `hidden beast` number, since 1 + 3 + 4 + 7 + 0 + 5 + 646 = 666.

134705646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134705646² = 36291222128554632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134705646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134705647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7621 + ... + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (9451365).

Almost surely, 2^134705646 is an apocalyptic number.

134705646 is an abundant number, since it is smaller than the sum of its proper divisors (167738034).

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

134705646 is a wasteful number, since it uses less digits than its factorization.

134705646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25825 (or 25819 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 134705646 is about 11606.2761469819. The cubic root of 134705646 is about 512.6196695365.

The spelling of 134705646 in words is "one hundred thirty-four million, seven hundred five thousand, six hundred forty-six".