1400706317 has 2 divisors, whose sum is σ = 1400706318. Its totient is φ = 1400706316.

The previous prime is 1400706289. The next prime is 1400706319. The reversal of 1400706317 is 7136070041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400705476 + 841 = 37426^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400706317 - 2¹² = 1400702221 is a prime.

Together with 1400706319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400706317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400706319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700353158 + 700353159.

It is an arithmetic number, because the mean of its divisors is an integer number (700353159).

Almost surely, 2^1400706317 is an apocalyptic number.

It is an amenable number.

1400706317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400706317 is an equidigital number, since it uses as much as digits as its factorization.

1400706317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1400706317 is about 37426.0112355030. The cubic root of 1400706317 is about 1118.8770411706.

Adding to 1400706317 its reverse (7136070041), we get a palindrome (8536776358).

The spelling of 1400706317 in words is "one billion, four hundred million, seven hundred six thousand, three hundred seventeen".