134681648 has 20 divisors (see below), whose sum is σ = 261130608. Its totient is φ = 67293120.

The previous prime is 134681647. The next prime is 134681669. The reversal of 134681648 is 846186431.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (134681641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34853 + ... + 38523.

Almost surely, 2^134681648 is an apocalyptic number.

It is an amenable number.

134681648 is a deficient number, since it is larger than the sum of its proper divisors (126448960).

134681648 is a wasteful number, since it uses less digits than its factorization.

134681648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972 (or 5966 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 134681648 is about 11605.2422637358. The cubic root of 134681648 is about 512.5892264239.

The spelling of 134681648 in words is "one hundred thirty-four million, six hundred eighty-one thousand, six hundred forty-eight".