1266134315 has 8 divisors (see below), whose sum is σ = 1520430048. Its totient is φ = 1012194880.

The previous prime is 1266134251. The next prime is 1266134321. The reversal of 1266134315 is 5134316621.

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

It is not a de Polignac number, because 1266134315 - 2⁶ = 1266134251 is a prime.

It is a super-2 number, since 2×1266134315² = 3206192207241038450, which contains 22 as substring.

It is a Duffinian number.

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, 81191 + ... + 95520.

It is an arithmetic number, because the mean of its divisors is an integer number (190053756).

Almost surely, 2^1266134315 is an apocalyptic number.

1266134315 is a deficient number, since it is larger than the sum of its proper divisors (254295733).

1266134315 is a wasteful number, since it uses less digits than its factorization.

1266134315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178149.

The product of its digits is 12960, while the sum is 32.

The square root of 1266134315 is about 35582.7811588695. The cubic root of 1266134315 is about 1081.8322564126.

The spelling of 1266134315 in words is "one billion, two hundred sixty-six million, one hundred thirty-four thousand, three hundred fifteen".