134321285 has 16 divisors (see below), whose sum is σ = 189192576. Its totient is φ = 89615808.

The previous prime is 134321281. The next prime is 134321287. The reversal of 134321285 is 582123431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134321285 - 2² = 134321281 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 (134321281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50567 + ... + 53156.

It is an arithmetic number, because the mean of its divisors is an integer number (11824536).

Almost surely, 2^134321285 is an apocalyptic number.

It is an amenable number.

134321285 is a deficient number, since it is larger than the sum of its proper divisors (54871291).

134321285 is a wasteful number, since it uses less digits than its factorization.

134321285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103772.

The product of its digits is 5760, while the sum is 29.

The square root of 134321285 is about 11589.7059928197. The cubic root of 134321285 is about 512.1316456832.

The spelling of 134321285 in words is "one hundred thirty-four million, three hundred twenty-one thousand, two hundred eighty-five".