334136813 has 2 divisors, whose sum is σ = 334136814. Its totient is φ = 334136812.

The previous prime is 334136809. The next prime is 334136827. The reversal of 334136813 is 318631433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334085284 + 51529 = 18278^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 334136813 - 2² = 334136809 is a prime.

It is a super-2 number, since 2×334136813² = 223294819603593938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 334136813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334136843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167068406 + 167068407.

It is an arithmetic number, because the mean of its divisors is an integer number (167068407).

Almost surely, 2^334136813 is an apocalyptic number.

It is an amenable number.

334136813 is a deficient number, since it is larger than the sum of its proper divisors (1).

334136813 is an equidigital number, since it uses as much as digits as its factorization.

334136813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 334136813 is about 18279.4095364156. The cubic root of 334136813 is about 693.9179290148.

The spelling of 334136813 in words is "three hundred thirty-four million, one hundred thirty-six thousand, eight hundred thirteen".