134263979 has 2 divisors, whose sum is σ = 134263980. Its totient is φ = 134263978.

The previous prime is 134263963. The next prime is 134263993. The reversal of 134263979 is 979362431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134263979 - 2⁴ = 134263963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134263879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67131989 + 67131990.

It is an arithmetic number, because the mean of its divisors is an integer number (67131990).

Almost surely, 2^134263979 is an apocalyptic number.

134263979 is a deficient number, since it is larger than the sum of its proper divisors (1).

134263979 is an equidigital number, since it uses as much as digits as its factorization.

134263979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 134263979 is about 11587.2334489299. The cubic root of 134263979 is about 512.0588044337.

The spelling of 134263979 in words is "one hundred thirty-four million, two hundred sixty-three thousand, nine hundred seventy-nine".