1375712269 has 2 divisors, whose sum is σ = 1375712270. Its totient is φ = 1375712268.

The previous prime is 1375712251. The next prime is 1375712279. The reversal of 1375712269 is 9622175731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098922500 + 276789769 = 33150^2 + 16637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375712269 - 2¹¹ = 1375710221 is a prime.

It is a super-2 number, since 2×1375712269² = 3785168494154256722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375712279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687856134 + 687856135.

It is an arithmetic number, because the mean of its divisors is an integer number (687856135).

Almost surely, 2^1375712269 is an apocalyptic number.

It is an amenable number.

1375712269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375712269 is an equidigital number, since it uses as much as digits as its factorization.

1375712269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 1375712269 is about 37090.5954252557. The cubic root of 1375712269 is about 1112.1820208762.

The spelling of 1375712269 in words is "one billion, three hundred seventy-five million, seven hundred twelve thousand, two hundred sixty-nine".