134640567 has 6 divisors (see below), whose sum is σ = 194480832. Its totient is φ = 89760372.

The previous prime is 134640563. The next prime is 134640581. The reversal of 134640567 is 765046431.

It is a happy number.

134640567 is a `hidden beast` number, since 1 + 3 + 4 + 640 + 5 + 6 + 7 = 666.

134640567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134640567 - 2² = 134640563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134640563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7480023 + ... + 7480040.

It is an arithmetic number, because the mean of its divisors is an integer number (32413472).

Almost surely, 2^134640567 is an apocalyptic number.

134640567 is a deficient number, since it is larger than the sum of its proper divisors (59840265).

134640567 is a wasteful number, since it uses less digits than its factorization.

134640567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960069 (or 14960066 counting only the distinct ones).

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

The square root of 134640567 is about 11603.4721958559. The cubic root of 134640567 is about 512.5371039566.

Adding to 134640567 its reverse (765046431), we get a palindrome (899686998).

The spelling of 134640567 in words is "one hundred thirty-four million, six hundred forty thousand, five hundred sixty-seven".