1399489190 has 32 divisors (see below), whose sum is σ = 2749718016. Its totient is φ = 508603360.

The previous prime is 1399489177. The next prime is 1399489199. The reversal of 1399489190 is 919849931.

It is a super-2 number, since 2×1399489190² = 3917139985853712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399489199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277229 + ... + 282231.

It is an arithmetic number, because the mean of its divisors is an integer number (85928688).

Almost surely, 2^1399489190 is an apocalyptic number.

1399489190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399489190 is a deficient number, since it is larger than the sum of its proper divisors (1350228826).

1399489190 is a wasteful number, since it uses less digits than its factorization.

1399489190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 1399489190 is about 37409.7472592371. The cubic root of 1399489190 is about 1118.5528689834.

The spelling of 1399489190 in words is "one billion, three hundred ninety-nine million, four hundred eighty-nine thousand, one hundred ninety".