134803979 has 2 divisors, whose sum is σ = 134803980. Its totient is φ = 134803978.

The previous prime is 134803957. The next prime is 134803997. The reversal of 134803979 is 979308431.

It is a happy number.

Together with next prime (134803997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134803979 - 2²⁰ = 133755403 is a prime.

It is a super-2 number, since 2×134803979² = 36344225508464882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134803909) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67401989 + 67401990.

It is an arithmetic number, because the mean of its divisors is an integer number (67401990).

Almost surely, 2^134803979 is an apocalyptic number.

134803979 is a deficient number, since it is larger than the sum of its proper divisors (1).

134803979 is an equidigital number, since it uses as much as digits as its factorization.

134803979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 134803979 is about 11610.5115735699. The cubic root of 134803979 is about 512.7443739590.

The spelling of 134803979 in words is "one hundred thirty-four million, eight hundred three thousand, nine hundred seventy-nine".