134086993 has 4 divisors (see below), whose sum is σ = 134149120. Its totient is φ = 134024868.

The previous prime is 134086963. The next prime is 134087003. The reversal of 134086993 is 399680431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134086993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134086963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27705 + ... + 32182.

It is an arithmetic number, because the mean of its divisors is an integer number (33537280).

Almost surely, 2^134086993 is an apocalyptic number.

It is an amenable number.

134086993 is a deficient number, since it is larger than the sum of its proper divisors (62127).

134086993 is an equidigital number, since it uses as much as digits as its factorization.

134086993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62126.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 134086993 is about 11579.5938184377. The cubic root of 134086993 is about 511.8337078469.

The spelling of 134086993 in words is "one hundred thirty-four million, eighty-six thousand, nine hundred ninety-three".