1266134316 has 96 divisors (see below), whose sum is σ = 3144960000. Its totient is φ = 395797248.

The previous prime is 1266134251. The next prime is 1266134321. The reversal of 1266134316 is 6134316621.

It is a super-2 number, since 2×1266134316² = 3206192212305575712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3254650 + ... + 3255038.

It is an arithmetic number, because the mean of its divisors is an integer number (32760000).

Almost surely, 2^1266134316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266134316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480000).

1266134316 is an abundant number, since it is smaller than the sum of its proper divisors (1878825684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266134316 is a wasteful number, since it uses less digits than its factorization.

1266134316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 669 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 1266134316 is about 35582.7811729213. The cubic root of 1266134316 is about 1081.8322566974.

The spelling of 1266134316 in words is "one billion, two hundred sixty-six million, one hundred thirty-four thousand, three hundred sixteen".