134922815 has 4 divisors (see below), whose sum is σ = 161907384. Its totient is φ = 107938248.

The previous prime is 134922787. The next prime is 134922833. The reversal of 134922815 is 518229431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134922815 - 2¹⁰ = 134921791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13492277 + ... + 13492286.

It is an arithmetic number, because the mean of its divisors is an integer number (40476846).

Almost surely, 2^134922815 is an apocalyptic number.

134922815 is a deficient number, since it is larger than the sum of its proper divisors (26984569).

134922815 is an equidigital number, since it uses as much as digits as its factorization.

134922815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26984568.

The product of its digits is 17280, while the sum is 35.

The square root of 134922815 is about 11615.6280501745. The cubic root of 134922815 is about 512.8949990733.

The spelling of 134922815 in words is "one hundred thirty-four million, nine hundred twenty-two thousand, eight hundred fifteen".