134856515 has 8 divisors (see below), whose sum is σ = 161909280. Its totient is φ = 107830912.

The previous prime is 134856511. The next prime is 134856571. The reversal of 134856515 is 515658431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134856515 - 2² = 134856511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134856511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6506 + ... + 17664.

It is an arithmetic number, because the mean of its divisors is an integer number (20238660).

Almost surely, 2^134856515 is an apocalyptic number.

134856515 is a deficient number, since it is larger than the sum of its proper divisors (27052765).

134856515 is a wasteful number, since it uses less digits than its factorization.

134856515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581.

The product of its digits is 72000, while the sum is 38.

The square root of 134856515 is about 11612.7737857930. The cubic root of 134856515 is about 512.8109744654.

The spelling of 134856515 in words is "one hundred thirty-four million, eight hundred fifty-six thousand, five hundred fifteen".