1401267713 has 2 divisors, whose sum is σ = 1401267714. Its totient is φ = 1401267712.

The previous prime is 1401267691. The next prime is 1401267731. The reversal of 1401267713 is 3177621041.

Together with next prime (1401267731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717811264 + 683456449 = 26792^2 + 26143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401267713 - 2¹⁴ = 1401251329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401267713.

It is not a weakly prime, because it can be changed into another prime (1401267743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700633856 + 700633857.

It is an arithmetic number, because the mean of its divisors is an integer number (700633857).

Almost surely, 2^1401267713 is an apocalyptic number.

It is an amenable number.

1401267713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401267713 is an equidigital number, since it uses as much as digits as its factorization.

1401267713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1401267713 is about 37433.5105620619. The cubic root of 1401267713 is about 1119.0265012892.

Adding to 1401267713 its reverse (3177621041), we get a palindrome (4578888754).

The spelling of 1401267713 in words is "one billion, four hundred one million, two hundred sixty-seven thousand, seven hundred thirteen".