1399543354 has 24 divisors (see below), whose sum is σ = 2331339444. Its totient is φ = 629587200.

The previous prime is 1399543339. The next prime is 1399543361. The reversal of 1399543354 is 4533459931.

It can be written as a sum of positive squares in 2 ways, for example, as 1363603329 + 35940025 = 36927^2 + 5995^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6337 + ... + 53284.

Almost surely, 2^1399543354 is an apocalyptic number.

1399543354 is a deficient number, since it is larger than the sum of its proper divisors (931796090).

1399543354 is a wasteful number, since it uses less digits than its factorization.

1399543354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59742 (or 59731 counting only the distinct ones).

The product of its digits is 874800, while the sum is 46.

The square root of 1399543354 is about 37410.4711812081. The cubic root of 1399543354 is about 1118.5672991332.

The spelling of 1399543354 in words is "one billion, three hundred ninety-nine million, five hundred forty-three thousand, three hundred fifty-four".