1399189702 has 16 divisors (see below), whose sum is σ = 2108339712. Its totient is φ = 696417480.

The previous prime is 1399189699. The next prime is 1399189703. The reversal of 1399189702 is 2079819931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399189703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499927 + ... + 502717.

It is an arithmetic number, because the mean of its divisors is an integer number (131771232).

Almost surely, 2^1399189702 is an apocalyptic number.

1399189702 is a deficient number, since it is larger than the sum of its proper divisors (709150010).

1399189702 is a wasteful number, since it uses less digits than its factorization.

1399189702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 1399189702 is about 37405.7442380178. The cubic root of 1399189702 is about 1118.4730739022.

The spelling of 1399189702 in words is "one billion, three hundred ninety-nine million, one hundred eighty-nine thousand, seven hundred two".