1375514137 has 2 divisors, whose sum is σ = 1375514138. Its totient is φ = 1375514136.

The previous prime is 1375514111. The next prime is 1375514159. The reversal of 1375514137 is 7314155731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863125641 + 512388496 = 29379^2 + 22636^2 .

It is an emirp because it is prime and its reverse (7314155731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375514137 - 2⁷ = 1375514009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375514096 and 1375514105.

It is not a weakly prime, because it can be changed into another prime (1375514197) 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, 687757068 + 687757069.

It is an arithmetic number, because the mean of its divisors is an integer number (687757069).

Almost surely, 2^1375514137 is an apocalyptic number.

It is an amenable number.

1375514137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375514137 is an equidigital number, since it uses as much as digits as its factorization.

1375514137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 37.

The square root of 1375514137 is about 37087.9244094355. The cubic root of 1375514137 is about 1112.1286256441.

Adding to 1375514137 its reverse (7314155731), we get a palindrome (8689669868).

The spelling of 1375514137 in words is "one billion, three hundred seventy-five million, five hundred fourteen thousand, one hundred thirty-seven".