1375013765 has 8 divisors (see below), whose sum is σ = 1672619928. Its totient is φ = 1084942080.

The previous prime is 1375013747. The next prime is 1375013779. The reversal of 1375013765 is 5673105731.

It can be written as a sum of positive squares in 4 ways, for example, as 37136836 + 1337876929 = 6094^2 + 36577^2 .

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

It is not a de Polignac number, because 1375013765 - 2¹⁴ = 1374997381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883216 + ... + 1883945.

It is an arithmetic number, because the mean of its divisors is an integer number (209077491).

Almost surely, 2^1375013765 is an apocalyptic number.

It is an amenable number.

1375013765 is a deficient number, since it is larger than the sum of its proper divisors (297606163).

1375013765 is an equidigital number, since it uses as much as digits as its factorization.

1375013765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767239.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 1375013765 is about 37081.1780422359. The cubic root of 1375013765 is about 1111.9937559494.

The spelling of 1375013765 in words is "one billion, three hundred seventy-five million, thirteen thousand, seven hundred sixty-five".