134369285 has 8 divisors (see below), whose sum is σ = 161366040. Its totient is φ = 107413504.

The previous prime is 134369251. The next prime is 134369297. The reversal of 134369285 is 582963431.

It can be written as a sum of positive squares in 4 ways, for example, as 15864289 + 118504996 = 3983^2 + 10886^2 .

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 134369285 - 2⁸ = 134369029 is a prime.

It is a super-2 number, since 2×134369285² = 36110209502822450, which contains 22 as substring.

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, 2492 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (20170755).

Almost surely, 2^134369285 is an apocalyptic number.

It is an amenable number.

134369285 is a deficient number, since it is larger than the sum of its proper divisors (26996755).

134369285 is a wasteful number, since it uses less digits than its factorization.

134369285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20487.

The product of its digits is 155520, while the sum is 41.

The square root of 134369285 is about 11591.7766110290. The cubic root of 134369285 is about 512.1926421996.

The spelling of 134369285 in words is "one hundred thirty-four million, three hundred sixty-nine thousand, two hundred eighty-five".