1375032133 has 8 divisors (see below), whose sum is σ = 1390314240. Its totient is φ = 1359772800.

The previous prime is 1375032101. The next prime is 1375032149. The reversal of 1375032133 is 3312305731.

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 1375032133 - 2⁵ = 1375032101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375032733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134658 + ... + 144508.

It is an arithmetic number, because the mean of its divisors is an integer number (173789280).

Almost surely, 2^1375032133 is an apocalyptic number.

It is an amenable number.

1375032133 is a deficient number, since it is larger than the sum of its proper divisors (15282107).

1375032133 is an equidigital number, since it uses as much as digits as its factorization.

1375032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 1375032133 is about 37081.4257142306. The cubic root of 1375032133 is about 1111.9987074175.

Adding to 1375032133 its reverse (3312305731), we get a palindrome (4687337864).

The spelling of 1375032133 in words is "one billion, three hundred seventy-five million, thirty-two thousand, one hundred thirty-three".