1375514138 has 16 divisors (see below), whose sum is σ = 2136986280. Its totient is φ = 663242496.

The previous prime is 1375514137. The next prime is 1375514159. The reversal of 1375514138 is 8314155731.

It can be written as a sum of positive squares in 4 ways, for example, as 1092500809 + 283013329 = 33053^2 + 16823^2 .

It is not an unprimeable number, because it can be changed into a prime (1375514137) 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 in 7 ways as a sum of consecutive naturals, for example, 35870 + ... + 63542.

Almost surely, 2^1375514138 is an apocalyptic number.

1375514138 is a deficient number, since it is larger than the sum of its proper divisors (761472142).

1375514138 is a wasteful number, since it uses less digits than its factorization.

1375514138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28561.

The product of its digits is 50400, while the sum is 38.

The square root of 1375514138 is about 37087.9244229170. The cubic root of 1375514138 is about 1112.1286259136.

Adding to 1375514138 its reverse (8314155731), we get a palindrome (9689669869).

The spelling of 1375514138 in words is "one billion, three hundred seventy-five million, five hundred fourteen thousand, one hundred thirty-eight".