1375320271 has 4 divisors (see below), whose sum is σ = 1481114152. Its totient is φ = 1269526392.

The previous prime is 1375320257. The next prime is 1375320313. The reversal of 1375320271 is 1720235731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1375320271 - 2⁷ = 1375320143 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 (1375320371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52896921 + ... + 52896946.

It is an arithmetic number, because the mean of its divisors is an integer number (370278538).

Almost surely, 2^1375320271 is an apocalyptic number.

1375320271 is a deficient number, since it is larger than the sum of its proper divisors (105793881).

1375320271 is a wasteful number, since it uses less digits than its factorization.

1375320271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105793880.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1375320271 is about 37085.3107173177. The cubic root of 1375320271 is about 1112.0763751068.

The spelling of 1375320271 in words is "one billion, three hundred seventy-five million, three hundred twenty thousand, two hundred seventy-one".