1400134213 has 2 divisors, whose sum is σ = 1400134214. Its totient is φ = 1400134212.

The previous prime is 1400134193. The next prime is 1400134217. The reversal of 1400134213 is 3124310041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976062564 + 424071649 = 31242^2 + 20593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400134213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400134217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700067106 + 700067107.

It is an arithmetic number, because the mean of its divisors is an integer number (700067107).

Almost surely, 2^1400134213 is an apocalyptic number.

It is an amenable number.

1400134213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400134213 is an equidigital number, since it uses as much as digits as its factorization.

1400134213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1400134213 is about 37418.3673214105. The cubic root of 1400134213 is about 1118.7246891770.

Adding to 1400134213 its reverse (3124310041), we get a palindrome (4524444254).

The spelling of 1400134213 in words is "one billion, four hundred million, one hundred thirty-four thousand, two hundred thirteen".