1379040265 has 8 divisors (see below), whose sum is σ = 1657578240. Its totient is φ = 1101412272.

The previous prime is 1379040253. The next prime is 1379040281. The reversal of 1379040265 is 5620409731.

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 1379040265 - 2¹⁹ = 1378515977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224155 + ... + 230224.

It is an arithmetic number, because the mean of its divisors is an integer number (207197280).

Almost surely, 2^1379040265 is an apocalyptic number.

It is an amenable number.

1379040265 is a deficient number, since it is larger than the sum of its proper divisors (278537975).

1379040265 is an equidigital number, since it uses as much as digits as its factorization.

1379040265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454991.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1379040265 is about 37135.4313964440. The cubic root of 1379040265 is about 1113.0781279960.

Adding to 1379040265 its reverse (5620409731), we get a palindrome (6999449996).

The spelling of 1379040265 in words is "one billion, three hundred seventy-nine million, forty thousand, two hundred sixty-five".