134149913 has 4 divisors (see below), whose sum is σ = 134198820. Its totient is φ = 134101008.

The previous prime is 134149903. The next prime is 134149921. The reversal of 134149913 is 319941431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70341769 + 63808144 = 8387^2 + 7988^2 .

It is a cyclic number.

It is not a de Polignac number, because 134149913 - 2⁶ = 134149849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134149903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20078 + ... + 25911.

It is an arithmetic number, because the mean of its divisors is an integer number (33549705).

Almost surely, 2^134149913 is an apocalyptic number.

It is an amenable number.

134149913 is a deficient number, since it is larger than the sum of its proper divisors (48907).

134149913 is an equidigital number, since it uses as much as digits as its factorization.

134149913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48906.

The product of its digits is 11664, while the sum is 35.

The square root of 134149913 is about 11582.3103481128. The cubic root of 134149913 is about 511.9137542411.

The spelling of 134149913 in words is "one hundred thirty-four million, one hundred forty-nine thousand, nine hundred thirteen".