134734817 has 4 divisors (see below), whose sum is σ = 153982656. Its totient is φ = 115486980.

The previous prime is 134734811. The next prime is 134734823. The reversal of 134734817 is 718437431.

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: 718437431 = 31 ⋅23175401.

It is an interprime number because it is at equal distance from previous prime (134734811) and next prime (134734823).

It is not a de Polignac number, because 134734817 - 2⁶ = 134734753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134734811) 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 3 ways as a sum of consecutive naturals, for example, 9623909 + ... + 9623922.

It is an arithmetic number, because the mean of its divisors is an integer number (38495664).

Almost surely, 2^134734817 is an apocalyptic number.

It is an amenable number.

134734817 is a deficient number, since it is larger than the sum of its proper divisors (19247839).

134734817 is an equidigital number, since it uses as much as digits as its factorization.

134734817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19247838.

The product of its digits is 56448, while the sum is 38.

The square root of 134734817 is about 11607.5327697147. The cubic root of 134734817 is about 512.6566700868.

The spelling of 134734817 in words is "one hundred thirty-four million, seven hundred thirty-four thousand, eight hundred seventeen".