1393710485 has 4 divisors (see below), whose sum is σ = 1672452588. Its totient is φ = 1114968384.

The previous prime is 1393710481. The next prime is 1393710491. The reversal of 1393710485 is 5840173931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237098404 + 1156612081 = 15398^2 + 34009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393710485 - 2² = 1393710481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393710481) 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, 139371044 + ... + 139371053.

It is an arithmetic number, because the mean of its divisors is an integer number (418113147).

Almost surely, 2^1393710485 is an apocalyptic number.

It is an amenable number.

1393710485 is a deficient number, since it is larger than the sum of its proper divisors (278742103).

1393710485 is an equidigital number, since it uses as much as digits as its factorization.

1393710485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278742102.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1393710485 is about 37332.4320798954. The cubic root of 1393710485 is about 1117.0111864363.

The spelling of 1393710485 in words is "one billion, three hundred ninety-three million, seven hundred ten thousand, four hundred eighty-five".