1400434213 has 2 divisors, whose sum is σ = 1400434214. Its totient is φ = 1400434212.

The previous prime is 1400434141. The next prime is 1400434237. The reversal of 1400434213 is 3124340041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903723844 + 496710369 = 30062^2 + 22287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400434213 - 2²⁹ = 863563301 is a prime.

It is a super-2 number, since 2×1400434213² = 3922431969881858738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400434283) 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, 700217106 + 700217107.

It is an arithmetic number, because the mean of its divisors is an integer number (700217107).

Almost surely, 2^1400434213 is an apocalyptic number.

It is an amenable number.

1400434213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400434213 is an equidigital number, since it uses as much as digits as its factorization.

1400434213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1400434213 is about 37422.3758331830. The cubic root of 1400434213 is about 1118.8045847175.

Adding to 1400434213 its reverse (3124340041), we get a palindrome (4524774254).

The spelling of 1400434213 in words is "one billion, four hundred million, four hundred thirty-four thousand, two hundred thirteen".