1398513514 has 8 divisors (see below), whose sum is σ = 2109360708. Its totient is φ = 695393280.

The previous prime is 1398513499. The next prime is 1398513539. The reversal of 1398513514 is 4153158931.

It can be written as a sum of positive squares in 2 ways, for example, as 1362717225 + 35796289 = 36915^2 + 5983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931287 + ... + 1932010.

Almost surely, 2^1398513514 is an apocalyptic number.

1398513514 is a deficient number, since it is larger than the sum of its proper divisors (710847194).

1398513514 is a wasteful number, since it uses less digits than its factorization.

1398513514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863480.

The product of its digits is 64800, while the sum is 40.

The square root of 1398513514 is about 37396.7045874366. The cubic root of 1398513514 is about 1118.2928696181.

The spelling of 1398513514 in words is "one billion, three hundred ninety-eight million, five hundred thirteen thousand, five hundred fourteen".