134011979 has 2 divisors, whose sum is σ = 134011980. Its totient is φ = 134011978.

The previous prime is 134011957. The next prime is 134012009. The reversal of 134011979 is 979110431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134011979 - 2⁸ = 134011723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134011909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67005989 + 67005990.

It is an arithmetic number, because the mean of its divisors is an integer number (67005990).

Almost surely, 2^134011979 is an apocalyptic number.

134011979 is a deficient number, since it is larger than the sum of its proper divisors (1).

134011979 is an equidigital number, since it uses as much as digits as its factorization.

134011979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 134011979 is about 11576.3543052206. The cubic root of 134011979 is about 511.7382428183.

The spelling of 134011979 in words is "one hundred thirty-four million, eleven thousand, nine hundred seventy-nine".