1307071906 has 32 divisors (see below), whose sum is σ = 2291719680. Its totient is φ = 547560000.

The previous prime is 1307071897. The next prime is 1307071919. The reversal of 1307071906 is 6091707031.

It is a happy number.

It is a super-3 number, since 3×1307071906³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105856 + ... + 117556.

It is an arithmetic number, because the mean of its divisors is an integer number (71616240).

Almost surely, 2^1307071906 is an apocalyptic number.

1307071906 is a deficient number, since it is larger than the sum of its proper divisors (984647774).

1307071906 is a wasteful number, since it uses less digits than its factorization.

1307071906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11890.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 1307071906 is about 36153.4494343209. The cubic root of 1307071906 is about 1093.3683380582.

Adding to 1307071906 its reverse (6091707031), we get a palindrome (7398778937).

The spelling of 1307071906 in words is "one billion, three hundred seven million, seventy-one thousand, nine hundred six".