1299734735044 has 96 divisors (see below), whose sum is σ = 2399166443520. Its totient is φ = 615451737600.

The previous prime is 1299734734999. The next prime is 1299734735083. The reversal of 1299734735044 is 4405374379921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1299734735044.

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 31 ways as a sum of consecutive naturals, for example, 528561087 + ... + 528563545.

It is an arithmetic number, because the mean of its divisors is an integer number (24991317120).

Almost surely, 2^{1299734735044} is an apocalyptic number.

It is an amenable number.

1299734735044 is a deficient number, since it is larger than the sum of its proper divisors (1099431708476).

1299734735044 is a wasteful number, since it uses less digits than its factorization.

1299734735044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 1299734735044 in words is "one trillion, two hundred ninety-nine billion, seven hundred thirty-four million, seven hundred thirty-five thousand, forty-four".