1399716145216 has 63 divisors (see below), whose sum is σ = 2847748966797. Its totient is φ = 682599068160.

The previous prime is 1399716145193. The next prime is 1399716145259. The reversal of 1399716145216 is 6125416179931.

The square root of 1399716145216 is 1183096.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 67446167616 + 1332269977600 = 259704^2 + 1154240^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 388053685 + ... + 388057291.

Almost surely, 2^{1399716145216} is an apocalyptic number.

1399716145216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1399716145216 is the 1183096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1399716145216

1399716145216 is an abundant number, since it is smaller than the sum of its proper divisors (1448032821581).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399716145216 is an frugal number, since it uses more digits than its factorization.

1399716145216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308 (or 3650 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The spelling of 1399716145216 in words is "one trillion, three hundred ninety-nine billion, seven hundred sixteen million, one hundred forty-five thousand, two hundred sixteen".