1309862970 has 96 divisors (see below), whose sum is σ = 3702246912. Its totient is φ = 319383936.

The previous prime is 1309862969. The next prime is 1309862993. The reversal of 1309862970 is 792689031.

1309862970 is a `hidden beast` number, since 13 + 0 + 9 + 8 + 629 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119959 + ... + 130421.

It is an arithmetic number, because the mean of its divisors is an integer number (38565072).

Almost surely, 2^1309862970 is an apocalyptic number.

1309862970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1309862970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851123456).

1309862970 is an abundant number, since it is smaller than the sum of its proper divisors (2392383942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1309862970 is a wasteful number, since it uses less digits than its factorization.

1309862970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10596 (or 10593 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1309862970 is about 36192.0290948159. The cubic root of 1309862970 is about 1094.1460283644.

It can be divided in two parts, 130986 and 2970, that added together give a square (133956 = 366²).

The spelling of 1309862970 in words is "one billion, three hundred nine million, eight hundred sixty-two thousand, nine hundred seventy".