1375140043 has 4 divisors (see below), whose sum is σ = 1407120088. Its totient is φ = 1343160000.

The previous prime is 1375140037. The next prime is 1375140059. The reversal of 1375140043 is 3400415731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375140043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1375139993 and 1375140020.

It is not an unprimeable number, because it can be changed into a prime (1375140023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989958 + ... + 15990043.

It is an arithmetic number, because the mean of its divisors is an integer number (351780022).

Almost surely, 2^1375140043 is an apocalyptic number.

1375140043 is a deficient number, since it is larger than the sum of its proper divisors (31980045).

1375140043 is an equidigital number, since it uses as much as digits as its factorization.

1375140043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31980044.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1375140043 is about 37082.8807268260. The cubic root of 1375140043 is about 1112.0277958629.

Adding to 1375140043 its reverse (3400415731), we get a palindrome (4775555774).

The spelling of 1375140043 in words is "one billion, three hundred seventy-five million, one hundred forty thousand, forty-three".