134426593 has 4 divisors (see below), whose sum is σ = 153630400. Its totient is φ = 115222788.

The previous prime is 134426581. The next prime is 134426647. The reversal of 134426593 is 395624431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 395624431 = 127 ⋅3115153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134426593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134426503) 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, 9601893 + ... + 9601906.

It is an arithmetic number, because the mean of its divisors is an integer number (38407600).

Almost surely, 2^134426593 is an apocalyptic number.

It is an amenable number.

134426593 is a deficient number, since it is larger than the sum of its proper divisors (19203807).

134426593 is an equidigital number, since it uses as much as digits as its factorization.

134426593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19203806.

The product of its digits is 77760, while the sum is 37.

The square root of 134426593 is about 11594.2482723116. The cubic root of 134426593 is about 512.2654479354.

The spelling of 134426593 in words is "one hundred thirty-four million, four hundred twenty-six thousand, five hundred ninety-three".