134772919 has 2 divisors, whose sum is σ = 134772920. Its totient is φ = 134772918.

The previous prime is 134772917. The next prime is 134772943. The reversal of 134772919 is 919277431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134772919 - 2¹ = 134772917 is a prime.

It is a super-2 number, since 2×134772919² = 36327479391561122, which contains 22 as substring.

Together with 134772917, 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 (134772917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67386459 + 67386460.

It is an arithmetic number, because the mean of its divisors is an integer number (67386460).

Almost surely, 2^134772919 is an apocalyptic number.

134772919 is a deficient number, since it is larger than the sum of its proper divisors (1).

134772919 is an equidigital number, since it uses as much as digits as its factorization.

134772919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 134772919 is about 11609.1739154860. The cubic root of 134772919 is about 512.7049906913.

The spelling of 134772919 in words is "one hundred thirty-four million, seven hundred seventy-two thousand, nine hundred nineteen".