1299316634 has 144 divisors (see below), whose sum is σ = 2692771200. Its totient is φ = 467026560.

The previous prime is 1299316589. The next prime is 1299316651. The reversal of 1299316634 is 4366139921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16447007 + ... + 16447085.

It is an arithmetic number, because the mean of its divisors is an integer number (18699800).

Almost surely, 2^1299316634 is an apocalyptic number.

1299316634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1299316634 is an abundant number, since it is smaller than the sum of its proper divisors (1393454566).

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

1299316634 is a wasteful number, since it uses less digits than its factorization.

1299316634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 1299316634 is about 36046.0349275756. The cubic root of 1299316634 is about 1091.2016134428.

The spelling of 1299316634 in words is "one billion, two hundred ninety-nine million, three hundred sixteen thousand, six hundred thirty-four".