1375514009 has 2 divisors, whose sum is σ = 1375514010. Its totient is φ = 1375514008.

The previous prime is 1375513969. The next prime is 1375514053. The reversal of 1375514009 is 9004155731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214731609 + 160782400 = 34853^2 + 12680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375514009 - 2²⁴ = 1358736793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375514009.

It is not a weakly prime, because it can be changed into another prime (1375514059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687757004 + 687757005.

It is an arithmetic number, because the mean of its divisors is an integer number (687757005).

Almost surely, 2^1375514009 is an apocalyptic number.

It is an amenable number.

1375514009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375514009 is an equidigital number, since it uses as much as digits as its factorization.

1375514009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1375514009 is about 37087.9226838064. The cubic root of 1375514009 is about 1112.1285911473.

The spelling of 1375514009 in words is "one billion, three hundred seventy-five million, five hundred fourteen thousand, nine".