1399188110 has 16 divisors (see below), whose sum is σ = 2559827232. Its totient is φ = 550500000.

The previous prime is 1399188097. The next prime is 1399188113. The reversal of 1399188110 is 118819931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399188113) 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 7 ways as a sum of consecutive naturals, for example, 1146266 + ... + 1147485.

It is an arithmetic number, because the mean of its divisors is an integer number (159989202).

Almost surely, 2^1399188110 is an apocalyptic number.

1399188110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399188110 is a deficient number, since it is larger than the sum of its proper divisors (1160639122).

1399188110 is a wasteful number, since it uses less digits than its factorization.

1399188110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293819.

The product of its (nonzero) digits is 15552, while the sum is 41.

The square root of 1399188110 is about 37405.7229578577. The cubic root of 1399188110 is about 1118.4726497020.

The spelling of 1399188110 in words is "one billion, three hundred ninety-nine million, one hundred eighty-eight thousand, one hundred ten".