1378065283 has 4 divisors (see below), whose sum is σ = 1574931760. Its totient is φ = 1181198808.

The previous prime is 1378065281. The next prime is 1378065287. The reversal of 1378065283 is 3825608731.

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 1378065283 - 2¹ = 1378065281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378065281) 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, 98433228 + ... + 98433241.

It is an arithmetic number, because the mean of its divisors is an integer number (393732940).

Almost surely, 2^1378065283 is an apocalyptic number.

1378065283 is a deficient number, since it is larger than the sum of its proper divisors (196866477).

1378065283 is an equidigital number, since it uses as much as digits as its factorization.

1378065283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196866476.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1378065283 is about 37122.3016931871. The cubic root of 1378065283 is about 1112.8157505971.

The spelling of 1378065283 in words is "one billion, three hundred seventy-eight million, sixty-five thousand, two hundred eighty-three".