134015687 has 16 divisors (see below), whose sum is σ = 151112640. Its totient is φ = 117925632.

The previous prime is 134015639. The next prime is 134015737. The reversal of 134015687 is 786510431.

It is a cyclic number.

It is not a de Polignac number, because 134015687 - 2¹⁰ = 134014663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134011687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118139 + ... + 119267.

It is an arithmetic number, because the mean of its divisors is an integer number (9444540).

Almost surely, 2^134015687 is an apocalyptic number.

134015687 is a deficient number, since it is larger than the sum of its proper divisors (17096953).

134015687 is a wasteful number, since it uses less digits than its factorization.

134015687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 134015687 is about 11576.5144581605. The cubic root of 134015687 is about 511.7429625653.

The spelling of 134015687 in words is "one hundred thirty-four million, fifteen thousand, six hundred eighty-seven".