266136545 has 8 divisors (see below), whose sum is σ = 319674600. Its totient is φ = 212702080.

The previous prime is 266136527. The next prime is 266136599. The reversal of 266136545 is 545631662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37552384 + 228584161 = 6128^2 + 15119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266136545 - 2¹⁰ = 266135521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266136499 and 266136508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20126 + ... + 30615.

It is an arithmetic number, because the mean of its divisors is an integer number (39959325).

Almost surely, 2^266136545 is an apocalyptic number.

It is an amenable number.

266136545 is a deficient number, since it is larger than the sum of its proper divisors (53538055).

266136545 is a wasteful number, since it uses less digits than its factorization.

266136545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51795.

The product of its digits is 129600, while the sum is 38.

The square root of 266136545 is about 16313.6919487895. The cubic root of 266136545 is about 643.2327844205.

The spelling of 266136545 in words is "two hundred sixty-six million, one hundred thirty-six thousand, five hundred forty-five".