134156285 has 8 divisors (see below), whose sum is σ = 161071416. Its totient is φ = 107269120.

The previous prime is 134156257. The next prime is 134156327. The reversal of 134156285 is 582651431.

134156285 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 12517444 + 121638841 = 3538^2 + 11029^2 .

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

It is not a de Polignac number, because 134156285 - 2⁶ = 134156221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (20133927).

Almost surely, 2^134156285 is an apocalyptic number.

It is an amenable number.

134156285 is a deficient number, since it is larger than the sum of its proper divisors (26915131).

134156285 is a wasteful number, since it uses less digits than its factorization.

134156285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983.

The product of its digits is 28800, while the sum is 35.

The square root of 134156285 is about 11582.5854194994. The cubic root of 134156285 is about 511.9218592602.

The spelling of 134156285 in words is "one hundred thirty-four million, one hundred fifty-six thousand, two hundred eighty-five".