1395720193 has 8 divisors (see below), whose sum is σ = 1595367488. Its totient is φ = 1196137584.

The previous prime is 1395720191. The next prime is 1395720229. The reversal of 1395720193 is 3910275931.

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

It is a cyclic number.

It is not a de Polignac number, because 1395720193 - 2¹ = 1395720191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395720191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46030 + ... + 70072.

It is an arithmetic number, because the mean of its divisors is an integer number (199420936).

It is a Proth number, since it is equal to 21297 ⋅ 2¹⁶ + 1 and 21297 < 2¹⁶.

Almost surely, 2^1395720193 is an apocalyptic number.

It is an amenable number.

1395720193 is a deficient number, since it is larger than the sum of its proper divisors (199647295).

1395720193 is an equidigital number, since it uses as much as digits as its factorization.

1395720193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32343.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 1395720193 is about 37359.3387655617. The cubic root of 1395720193 is about 1117.5478326013.

The spelling of 1395720193 in words is "one billion, three hundred ninety-five million, seven hundred twenty thousand, one hundred ninety-three".