134367813 has 12 divisors (see below), whose sum is σ = 205503948. Its totient is φ = 84309120.

The previous prime is 134367809. The next prime is 134367823. The reversal of 134367813 is 318763431.

It can be written as a sum of positive squares in 2 ways, for example, as 85045284 + 49322529 = 9222^2 + 7023^2 .

It is not a de Polignac number, because 134367813 - 2² = 134367809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134367823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438958 + ... + 439263.

It is an arithmetic number, because the mean of its divisors is an integer number (17125329).

Almost surely, 2^134367813 is an apocalyptic number.

It is an amenable number.

134367813 is a deficient number, since it is larger than the sum of its proper divisors (71136135).

134367813 is a wasteful number, since it uses less digits than its factorization.

134367813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878244 (or 878241 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 134367813 is about 11591.7131175681. The cubic root of 134367813 is about 512.1907718557.

The spelling of 134367813 in words is "one hundred thirty-four million, three hundred sixty-seven thousand, eight hundred thirteen".