1375813627 has 2 divisors, whose sum is σ = 1375813628. Its totient is φ = 1375813626.

The previous prime is 1375813619. The next prime is 1375813643. The reversal of 1375813627 is 7263185731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375813627 - 2³ = 1375813619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375813027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687906813 + 687906814.

It is an arithmetic number, because the mean of its divisors is an integer number (687906814).

Almost surely, 2^1375813627 is an apocalyptic number.

1375813627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375813627 is an equidigital number, since it uses as much as digits as its factorization.

1375813627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 1375813627 is about 37091.9617572325. The cubic root of 1375813627 is about 1112.2093341886.

The spelling of 1375813627 in words is "one billion, three hundred seventy-five million, eight hundred thirteen thousand, six hundred twenty-seven".