1375588345 has 8 divisors (see below), whose sum is σ = 1651163976. Its totient is φ = 1100165376.

The previous prime is 1375588309. The next prime is 1375588397. The reversal of 1375588345 is 5438855731.

It can be written as a sum of positive squares in 4 ways, for example, as 139925241 + 1235663104 = 11829^2 + 35152^2 .

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 1375588345 - 2⁷ = 1375588217 is a prime.

It is a Duffinian 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, 17302 + ... + 55231.

It is an arithmetic number, because the mean of its divisors is an integer number (206395497).

Almost surely, 2^1375588345 is an apocalyptic number.

It is an amenable number.

1375588345 is a deficient number, since it is larger than the sum of its proper divisors (275575631).

1375588345 is an equidigital number, since it uses as much as digits as its factorization.

1375588345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76331.

The product of its digits is 2016000, while the sum is 49.

The square root of 1375588345 is about 37088.9248293881. The cubic root of 1375588345 is about 1112.1486247980.

The spelling of 1375588345 in words is "one billion, three hundred seventy-five million, five hundred eighty-eight thousand, three hundred forty-five".