1300664145 has 128 divisors (see below), whose sum is σ = 2489978880. Its totient is φ = 573281280.

The previous prime is 1300664119. The next prime is 1300664159. The reversal of 1300664145 is 5414660031.

It is not a de Polignac number, because 1300664145 - 2⁹ = 1300663633 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8284407 + ... + 8284563.

It is an arithmetic number, because the mean of its divisors is an integer number (19452960).

Almost surely, 2^1300664145 is an apocalyptic number.

1300664145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1300664145 is a deficient number, since it is larger than the sum of its proper divisors (1189314735).

1300664145 is a wasteful number, since it uses less digits than its factorization.

1300664145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1300664145 is about 36064.7216126785. The cubic root of 1300664145 is about 1091.5787086317.

The spelling of 1300664145 in words is "one billion, three hundred million, six hundred sixty-four thousand, one hundred forty-five".