1390271275 has 6 divisors (see below), whose sum is σ = 1723936412. Its totient is φ = 1112217000.

The previous prime is 1390271273. The next prime is 1390271299. The reversal of 1390271275 is 5721720931.

1390271275 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1390271275 - 2¹ = 1390271273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390271273) 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 5 ways as a sum of consecutive naturals, for example, 27805401 + ... + 27805450.

Almost surely, 2^1390271275 is an apocalyptic number.

1390271275 is a deficient number, since it is larger than the sum of its proper divisors (333665137).

1390271275 is an equidigital number, since it uses as much as digits as its factorization.

1390271275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55610861 (or 55610856 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1390271275 is about 37286.3416682302. The cubic root of 1390271275 is about 1116.0916266522.

The spelling of 1390271275 in words is "one billion, three hundred ninety million, two hundred seventy-one thousand, two hundred seventy-five".