1307919957 has 16 divisors (see below), whose sum is σ = 1773099072. Its totient is φ = 857463680.

The previous prime is 1307919913. The next prime is 1307920027. The reversal of 1307919957 is 7599197031.

It is a cyclic number.

It is not a de Polignac number, because 1307919957 - 2¹⁹ = 1307395669 is a prime.

It is a super-2 number, since 2×1307919957² = 3421309227837763698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307915957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29107 + ... + 58847.

It is an arithmetic number, because the mean of its divisors is an integer number (110818692).

Almost surely, 2^1307919957 is an apocalyptic number.

It is an amenable number.

1307919957 is a deficient number, since it is larger than the sum of its proper divisors (465179115).

1307919957 is a wasteful number, since it uses less digits than its factorization.

1307919957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29988.

The product of its (nonzero) digits is 535815, while the sum is 51.

The square root of 1307919957 is about 36165.1760261166. The cubic root of 1307919957 is about 1093.6047524043.

The spelling of 1307919957 in words is "one billion, three hundred seven million, nine hundred nineteen thousand, nine hundred fifty-seven".