134298779 has 4 divisors (see below), whose sum is σ = 134330184. Its totient is φ = 134267376.

The previous prime is 134298763. The next prime is 134298833. The reversal of 134298779 is 977892431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977892431 = 4271 ⋅228961.

It is a cyclic number.

It is not a de Polignac number, because 134298779 - 2⁴ = 134298763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134298719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8042 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (33582546).

Almost surely, 2^134298779 is an apocalyptic number.

134298779 is a deficient number, since it is larger than the sum of its proper divisors (31405).

134298779 is an equidigital number, since it uses as much as digits as its factorization.

134298779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31404.

The product of its digits is 762048, while the sum is 50.

The square root of 134298779 is about 11588.7350043048. The cubic root of 134298779 is about 512.1030409375.

The spelling of 134298779 in words is "one hundred thirty-four million, two hundred ninety-eight thousand, seven hundred seventy-nine".