813014149 has 2 divisors, whose sum is σ = 813014150. Its totient is φ = 813014148.

The previous prime is 813014099. The next prime is 813014183. The reversal of 813014149 is 941410318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611572900 + 201441249 = 24730^2 + 14193^2 .

It is a cyclic number.

It is not a de Polignac number, because 813014149 - 2¹⁵ = 812981381 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 813014149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (813012149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406507074 + 406507075.

It is an arithmetic number, because the mean of its divisors is an integer number (406507075).

Almost surely, 2^813014149 is an apocalyptic number.

It is an amenable number.

813014149 is a deficient number, since it is larger than the sum of its proper divisors (1).

813014149 is an equidigital number, since it uses as much as digits as its factorization.

813014149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 813014149 is about 28513.4029712344. The cubic root of 813014149 is about 933.3245750737.

The spelling of 813014149 in words is "eight hundred thirteen million, fourteen thousand, one hundred forty-nine".