1399913995 has 4 divisors (see below), whose sum is σ = 1679896800. Its totient is φ = 1119931192.

The previous prime is 1399913987. The next prime is 1399914001. The reversal of 1399913995 is 5993199931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1399913995 - 2³ = 1399913987 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 139991395 + ... + 139991404.

It is an arithmetic number, because the mean of its divisors is an integer number (419974200).

Almost surely, 2^1399913995 is an apocalyptic number.

1399913995 is a deficient number, since it is larger than the sum of its proper divisors (279982805).

1399913995 is an equidigital number, since it uses as much as digits as its factorization.

1399913995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279982804.

The product of its digits is 2657205, while the sum is 58.

The square root of 1399913995 is about 37415.4245599325. The cubic root of 1399913995 is about 1118.6660337927. Note that the first 3 decimals are identical.

The spelling of 1399913995 in words is "one billion, three hundred ninety-nine million, nine hundred thirteen thousand, nine hundred ninety-five".