1364140043 has 4 divisors (see below), whose sum is σ = 1559017200. Its totient is φ = 1169262888.

The previous prime is 1364140009. The next prime is 1364140049. The reversal of 1364140043 is 3400414631.

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-1364140043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364139994 and 1364140021.

It is not an unprimeable number, because it can be changed into a prime (1364140049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97438568 + ... + 97438581.

It is an arithmetic number, because the mean of its divisors is an integer number (389754300).

Almost surely, 2^1364140043 is an apocalyptic number.

1364140043 is a deficient number, since it is larger than the sum of its proper divisors (194877157).

1364140043 is an equidigital number, since it uses as much as digits as its factorization.

1364140043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194877156.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1364140043 is about 36934.2665149858. The cubic root of 1364140043 is about 1109.0547489357.

Adding to 1364140043 its reverse (3400414631), we get a palindrome (4764554674).

The spelling of 1364140043 in words is "one billion, three hundred sixty-four million, one hundred forty thousand, forty-three".