1307046645 has 128 divisors (see below), whose sum is σ = 2577530880. Its totient is φ = 626123520.

The previous prime is 1307046589. The next prime is 1307046661. The reversal of 1307046645 is 5466407031.

It is a happy number.

1307046645 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 0 + 4 + 6 + 645 = 666.

It is not a de Polignac number, because 1307046645 - 2⁹ = 1307046133 is a prime.

It is a Curzon number.

It is a congruent 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, 3561252 + ... + 3561618.

It is an arithmetic number, because the mean of its divisors is an integer number (20136960).

Almost surely, 2^1307046645 is an apocalyptic number.

1307046645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1307046645 is a deficient number, since it is larger than the sum of its proper divisors (1270484235).

1307046645 is a wasteful number, since it uses less digits than its factorization.

1307046645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1307046645 is about 36153.1000745441. The cubic root of 1307046645 is about 1093.3612943866.

The spelling of 1307046645 in words is "one billion, three hundred seven million, forty-six thousand, six hundred forty-five".