1399107490 has 16 divisors (see below), whose sum is σ = 2747338560. Its totient is φ = 508766320.

The previous prime is 1399107481. The next prime is 1399107491. The reversal of 1399107490 is 947019931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1399107491) 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, 6359470 + ... + 6359689.

It is an arithmetic number, because the mean of its divisors is an integer number (171708660).

Almost surely, 2^1399107490 is an apocalyptic number.

1399107490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1399107490 is a deficient number, since it is larger than the sum of its proper divisors (1348231070).

1399107490 is a wasteful number, since it uses less digits than its factorization.

1399107490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719177.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1399107490 is about 37404.6452997485. The cubic root of 1399107490 is about 1118.4511674828.

The spelling of 1399107490 in words is "one billion, three hundred ninety-nine million, one hundred seven thousand, four hundred ninety".