134613687 has 64 divisors (see below), whose sum is σ = 214695936. Its totient is φ = 74321280.

The previous prime is 134613673. The next prime is 134613707. The reversal of 134613687 is 786316431.

It is not a de Polignac number, because 134613687 - 2⁸ = 134613431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134613617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1306878 + ... + 1306980.

It is an arithmetic number, because the mean of its divisors is an integer number (3354624).

Almost surely, 2^134613687 is an apocalyptic number.

134613687 is a deficient number, since it is larger than the sum of its proper divisors (80082249).

134613687 is a wasteful number, since it uses less digits than its factorization.

134613687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its digits is 72576, while the sum is 39.

The square root of 134613687 is about 11602.3138640532. The cubic root of 134613687 is about 512.5029935974.

The spelling of 134613687 in words is "one hundred thirty-four million, six hundred thirteen thousand, six hundred eighty-seven".