1401442213 has 2 divisors, whose sum is σ = 1401442214. Its totient is φ = 1401442212.

The previous prime is 1401442201. The next prime is 1401442253. The reversal of 1401442213 is 3122441041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898920324 + 502521889 = 29982^2 + 22417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401442213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401442253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700721106 + 700721107.

It is an arithmetic number, because the mean of its divisors is an integer number (700721107).

Almost surely, 2^1401442213 is an apocalyptic number.

It is an amenable number.

1401442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401442213 is an equidigital number, since it uses as much as digits as its factorization.

1401442213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1401442213 is about 37435.8412887970. The cubic root of 1401442213 is about 1119.0729501863.

Adding to 1401442213 its reverse (3122441041), we get a palindrome (4523883254).

The spelling of 1401442213 in words is "one billion, four hundred one million, four hundred forty-two thousand, two hundred thirteen".