1308627969 has 16 divisors (see below), whose sum is σ = 1927557120. Its totient is φ = 783066960.

The previous prime is 1308627913. The next prime is 1308628007. The reversal of 1308627969 is 9697268031.

It is not a de Polignac number, because 1308627969 - 2⁷ = 1308627841 is a prime.

It is a super-2 number, since 2×1308627969² = 3425014322498129922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308627169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248377 + ... + 253590.

It is an arithmetic number, because the mean of its divisors is an integer number (120472320).

Almost surely, 2^1308627969 is an apocalyptic number.

It is an amenable number.

1308627969 is a deficient number, since it is larger than the sum of its proper divisors (618929151).

1308627969 is a wasteful number, since it uses less digits than its factorization.

1308627969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502060.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 1308627969 is about 36174.9632895460. The cubic root of 1308627969 is about 1093.8020492934.

It can be divided in two parts, 130862 and 7969, that added together give a palindrome (138831).

The spelling of 1308627969 in words is "one billion, three hundred eight million, six hundred twenty-seven thousand, nine hundred sixty-nine".