270143813 has 2 divisors, whose sum is σ = 270143814. Its totient is φ = 270143812.

The previous prime is 270143701. The next prime is 270143879. The reversal of 270143813 is 318341072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211498849 + 58644964 = 14543^2 + 7658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270143813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270143113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135071906 + 135071907.

It is an arithmetic number, because the mean of its divisors is an integer number (135071907).

Almost surely, 2^270143813 is an apocalyptic number.

It is an amenable number.

270143813 is a deficient number, since it is larger than the sum of its proper divisors (1).

270143813 is an equidigital number, since it uses as much as digits as its factorization.

270143813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 270143813 is about 16436.0522328204. The cubic root of 270143813 is about 646.4451406103.

Adding to 270143813 its reverse (318341072), we get a palindrome (588484885).

The spelling of 270143813 in words is "two hundred seventy million, one hundred forty-three thousand, eight hundred thirteen".