134985599 has 8 divisors (see below), whose sum is σ = 155194368. Its totient is φ = 115008120.

The previous prime is 134985589. The next prime is 134985649. The reversal of 134985599 is 995589431.

It is a happy number.

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 134985599 - 2²⁴ = 118208383 is a prime.

It is a super-3 number, since 3×134985599³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 134985599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134985589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56567 + ... + 58904.

It is an arithmetic number, because the mean of its divisors is an integer number (19399296).

Almost surely, 2^134985599 is an apocalyptic number.

134985599 is a deficient number, since it is larger than the sum of its proper divisors (20208769).

134985599 is a wasteful number, since it uses less digits than its factorization.

134985599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115645.

The product of its digits is 1749600, while the sum is 53.

The square root of 134985599 is about 11618.3303017258. The cubic root of 134985599 is about 512.9745423443.

The spelling of 134985599 in words is "one hundred thirty-four million, nine hundred eighty-five thousand, five hundred ninety-nine".