1375133345 has 8 divisors (see below), whose sum is σ = 1654758720. Its totient is φ = 1097040880.

The previous prime is 1375133257. The next prime is 1375133351. The reversal of 1375133345 is 5433315731.

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

It is a de Polignac number, because none of the positive numbers 2^k-1375133345 is a prime.

It is a Curzon 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, 381251 + ... + 384840.

It is an arithmetic number, because the mean of its divisors is an integer number (206844840).

Almost surely, 2^1375133345 is an apocalyptic number.

It is an amenable number.

1375133345 is a deficient number, since it is larger than the sum of its proper divisors (279625375).

1375133345 is an equidigital number, since it uses as much as digits as its factorization.

1375133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766455.

The product of its digits is 56700, while the sum is 35.

The square root of 1375133345 is about 37082.7904155014. The cubic root of 1375133345 is about 1112.0259903803.

The spelling of 1375133345 in words is "one billion, three hundred seventy-five million, one hundred thirty-three thousand, three hundred forty-five".