1383751065 has 8 divisors (see below), whose sum is σ = 2214001728. Its totient is φ = 738000560.

The previous prime is 1383751063. The next prime is 1383751069. The reversal of 1383751065 is 5601573831.

It is a happy number.

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

It is not a de Polignac number, because 1383751065 - 2¹ = 1383751063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383751063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46125021 + ... + 46125050.

It is an arithmetic number, because the mean of its divisors is an integer number (276750216).

Almost surely, 2^1383751065 is an apocalyptic number.

1383751065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383751065 is a deficient number, since it is larger than the sum of its proper divisors (830250663).

1383751065 is an equidigital number, since it uses as much as digits as its factorization.

1383751065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92250079.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1383751065 is about 37198.8046178906. The cubic root of 1383751065 is about 1114.3441121010.

The spelling of 1383751065 in words is "one billion, three hundred eighty-three million, seven hundred fifty-one thousand, sixty-five".