1400134343 has 2 divisors, whose sum is σ = 1400134344. Its totient is φ = 1400134342.

The previous prime is 1400134327. The next prime is 1400134367. The reversal of 1400134343 is 3434310041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400134343 - 2⁴ = 1400134327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400136343) 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, 700067171 + 700067172.

It is an arithmetic number, because the mean of its divisors is an integer number (700067172).

Almost surely, 2^1400134343 is an apocalyptic number.

1400134343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400134343 is an equidigital number, since it uses as much as digits as its factorization.

1400134343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1400134343 is about 37418.3690585253. The cubic root of 1400134343 is about 1118.7247238008.

Adding to 1400134343 its reverse (3434310041), we get a palindrome (4834444384).

The spelling of 1400134343 in words is "one billion, four hundred million, one hundred thirty-four thousand, three hundred forty-three".