1375488727 has 4 divisors (see below), whose sum is σ = 1412664136. Its totient is φ = 1338313320.

The previous prime is 1375488689. The next prime is 1375488731. The reversal of 1375488727 is 7278845731.

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 1375488727 - 2²⁷ = 1241270999 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 (1375482727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18587649 + ... + 18587722.

It is an arithmetic number, because the mean of its divisors is an integer number (353166034).

Almost surely, 2^1375488727 is an apocalyptic number.

1375488727 is a deficient number, since it is larger than the sum of its proper divisors (37175409).

1375488727 is an equidigital number, since it uses as much as digits as its factorization.

1375488727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37175408.

The product of its digits is 2634240, while the sum is 52.

The square root of 1375488727 is about 37087.5818435228. The cubic root of 1375488727 is about 1112.1217774502.

The spelling of 1375488727 in words is "one billion, three hundred seventy-five million, four hundred eighty-eight thousand, seven hundred twenty-seven".