1399244070 has 32 divisors (see below), whose sum is σ = 3837927168. Its totient is φ = 319827168.

The previous prime is 1399244039. The next prime is 1399244101. The reversal of 1399244070 is 704429931.

It is an interprime number because it is at equal distance from previous prime (1399244039) and next prime (1399244101).

It is a congruent number.

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, 3331324 + ... + 3331743.

It is an arithmetic number, because the mean of its divisors is an integer number (119935224).

Almost surely, 2^1399244070 is an apocalyptic number.

1399244070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399244070 is an abundant number, since it is smaller than the sum of its proper divisors (2438683098).

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

1399244070 is a wasteful number, since it uses less digits than its factorization.

1399244070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663084.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1399244070 is about 37406.4709642596. The cubic root of 1399244070 is about 1118.4875604670.

The spelling of 1399244070 in words is "one billion, three hundred ninety-nine million, two hundred forty-four thousand, seventy".