1318386970 has 8 divisors (see below), whose sum is σ = 2373096564. Its totient is φ = 527354784.

The previous prime is 1318386959. The next prime is 1318386973. The reversal of 1318386970 is 796838131.

It can be written as a sum of positive squares in 2 ways, for example, as 1118701809 + 199685161 = 33447^2 + 14131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1318386970.

It is not an unprimeable number, because it can be changed into a prime (1318386973) 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 3 ways as a sum of consecutive naturals, for example, 65919339 + ... + 65919358.

Almost surely, 2^1318386970 is an apocalyptic number.

1318386970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318386970 is a deficient number, since it is larger than the sum of its proper divisors (1054709594).

1318386970 is a wasteful number, since it uses less digits than its factorization.

1318386970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131838704.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1318386970 is about 36309.5988686187. The cubic root of 1318386970 is about 1096.5143022198.

The spelling of 1318386970 in words is "one billion, three hundred eighteen million, three hundred eighty-six thousand, nine hundred seventy".