134970919 has 2 divisors, whose sum is σ = 134970920. Its totient is φ = 134970918.

The previous prime is 134970917. The next prime is 134970943. The reversal of 134970919 is 919079431.

It is a happy number.

134970919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (919079431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134970919 - 2¹ = 134970917 is a prime.

It is a super-2 number, since 2×134970919² = 36434297951409122, which contains 22 as substring.

Together with 134970917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134970911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67485459 + 67485460.

It is an arithmetic number, because the mean of its divisors is an integer number (67485460).

Almost surely, 2^134970919 is an apocalyptic number.

134970919 is a deficient number, since it is larger than the sum of its proper divisors (1).

134970919 is an equidigital number, since it uses as much as digits as its factorization.

134970919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 134970919 is about 11617.6985242345. The cubic root of 134970919 is about 512.9559459425.

The spelling of 134970919 in words is "one hundred thirty-four million, nine hundred seventy thousand, nine hundred nineteen".