1400264543 has 2 divisors, whose sum is σ = 1400264544. Its totient is φ = 1400264542.

The previous prime is 1400264497. The next prime is 1400264563. The reversal of 1400264543 is 3454620041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400264543 - 2⁶ = 1400264479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400264563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700132271 + 700132272.

It is an arithmetic number, because the mean of its divisors is an integer number (700132272).

Almost surely, 2^1400264543 is an apocalyptic number.

1400264543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400264543 is an equidigital number, since it uses as much as digits as its factorization.

1400264543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1400264543 is about 37420.1088052934. The cubic root of 1400264543 is about 1118.7593998648.

Adding to 1400264543 its reverse (3454620041), we get a palindrome (4854884584).

The spelling of 1400264543 in words is "one billion, four hundred million, two hundred sixty-four thousand, five hundred forty-three".