134928379 has 2 divisors, whose sum is σ = 134928380. Its totient is φ = 134928378.

The previous prime is 134928377. The next prime is 134928383. The reversal of 134928379 is 973829431.

It is a weak prime.

It is an emirp because it is prime and its reverse (973829431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134928379 - 2¹ = 134928377 is a prime.

Together with 134928377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134928377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67464189 + 67464190.

It is an arithmetic number, because the mean of its divisors is an integer number (67464190).

Almost surely, 2^134928379 is an apocalyptic number.

134928379 is a deficient number, since it is larger than the sum of its proper divisors (1).

134928379 is an equidigital number, since it uses as much as digits as its factorization.

134928379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 134928379 is about 11615.8675526196. The cubic root of 134928379 is about 512.9020492982.

The spelling of 134928379 in words is "one hundred thirty-four million, nine hundred twenty-eight thousand, three hundred seventy-nine".