266134153 has 2 divisors, whose sum is σ = 266134154. Its totient is φ = 266134152.

The previous prime is 266134151. The next prime is 266134177. The reversal of 266134153 is 351431662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146603664 + 119530489 = 12108^2 + 10933^2 .

It is a cyclic number.

It is not a de Polignac number, because 266134153 - 2¹ = 266134151 is a prime.

Together with 266134151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (266134151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133067076 + 133067077.

It is an arithmetic number, because the mean of its divisors is an integer number (133067077).

Almost surely, 2^266134153 is an apocalyptic number.

It is an amenable number.

266134153 is a deficient number, since it is larger than the sum of its proper divisors (1).

266134153 is an equidigital number, since it uses as much as digits as its factorization.

266134153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 266134153 is about 16313.6186359741. The cubic root of 266134153 is about 643.2308573177.

The spelling of 266134153 in words is "two hundred sixty-six million, one hundred thirty-four thousand, one hundred fifty-three".