1400221013 has 2 divisors, whose sum is σ = 1400221014. Its totient is φ = 1400221012.

The previous prime is 1400220977. The next prime is 1400221027. The reversal of 1400221013 is 3101220041.

It is an a-pointer prime, because the next prime (1400221027) can be obtained adding 1400221013 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1396292689 + 3928324 = 37367^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400221013 - 2²⁴ = 1383443797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400221063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700110506 + 700110507.

It is an arithmetic number, because the mean of its divisors is an integer number (700110507).

Almost surely, 2^1400221013 is an apocalyptic number.

It is an amenable number.

1400221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400221013 is an equidigital number, since it uses as much as digits as its factorization.

1400221013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1400221013 is about 37419.5271616305. The cubic root of 1400221013 is about 1118.7478067932.

Adding to 1400221013 its reverse (3101220041), we get a palindrome (4501441054).

The spelling of 1400221013 in words is "one billion, four hundred million, two hundred twenty-one thousand, thirteen".