134993617 has 8 divisors (see below), whose sum is σ = 155928672. Its totient is φ = 115502400.

The previous prime is 134993611. The next prime is 134993627. The reversal of 134993617 is 716399431.

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 134993617 - 2³ = 134993609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134993611) 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, 360759 + ... + 361132.

It is an arithmetic number, because the mean of its divisors is an integer number (19491084).

Almost surely, 2^134993617 is an apocalyptic number.

134993617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134993617 is a deficient number, since it is larger than the sum of its proper divisors (20935055).

134993617 is a wasteful number, since it uses less digits than its factorization.

134993617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721919.

The product of its digits is 122472, while the sum is 43.

The square root of 134993617 is about 11618.6753547898. The cubic root of 134993617 is about 512.9846988560.

The spelling of 134993617 in words is "one hundred thirty-four million, nine hundred ninety-three thousand, six hundred seventeen".