1398716147 has 4 divisors (see below), whose sum is σ = 1411094280. Its totient is φ = 1386338016.

The previous prime is 1398716131. The next prime is 1398716167. The reversal of 1398716147 is 7416178931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7416178931 = 7 ⋅1059454133.

It is a cyclic number.

It is not a de Polignac number, because 1398716147 - 2⁴ = 1398716131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1398716167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6188897 + ... + 6189122.

It is an arithmetic number, because the mean of its divisors is an integer number (352773570).

Almost surely, 2^1398716147 is an apocalyptic number.

1398716147 is a deficient number, since it is larger than the sum of its proper divisors (12378133).

1398716147 is a wasteful number, since it uses less digits than its factorization.

1398716147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378132.

The product of its digits is 254016, while the sum is 47.

The square root of 1398716147 is about 37399.4137253514. The cubic root of 1398716147 is about 1118.3468774613.

The spelling of 1398716147 in words is "one billion, three hundred ninety-eight million, seven hundred sixteen thousand, one hundred forty-seven".