134350819 has 4 divisors (see below), whose sum is σ = 134436544. Its totient is φ = 134265096.

The previous prime is 134350789. The next prime is 134350841. The reversal of 134350819 is 918053431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918053431 = 17 ⋅54003143.

It is a cyclic number.

It is not a de Polignac number, because 134350819 - 2⁵ = 134350787 is a prime.

It is a super-2 number, since 2×134350819² = 36100285131941522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134350859) 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, 40467 + ... + 43660.

It is an arithmetic number, because the mean of its divisors is an integer number (33609136).

Almost surely, 2^134350819 is an apocalyptic number.

134350819 is a deficient number, since it is larger than the sum of its proper divisors (85725).

134350819 is an equidigital number, since it uses as much as digits as its factorization.

134350819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85724.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 134350819 is about 11590.9800707274. The cubic root of 134350819 is about 512.1691780510.

The spelling of 134350819 in words is "one hundred thirty-four million, three hundred fifty thousand, eight hundred nineteen".