134269813 has 4 divisors (see below), whose sum is σ = 134301568. Its totient is φ = 134238060.

The previous prime is 134269787. The next prime is 134269823. The reversal of 134269813 is 318962431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134269813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134269823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8343 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (33575392).

Almost surely, 2^134269813 is an apocalyptic number.

It is an amenable number.

134269813 is a deficient number, since it is larger than the sum of its proper divisors (31755).

134269813 is an equidigital number, since it uses as much as digits as its factorization.

134269813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31754.

The product of its digits is 31104, while the sum is 37.

The square root of 134269813 is about 11587.4851887715. The cubic root of 134269813 is about 512.0662209371.

The spelling of 134269813 in words is "one hundred thirty-four million, two hundred sixty-nine thousand, eight hundred thirteen".