1400315513 has 2 divisors, whose sum is σ = 1400315514. Its totient is φ = 1400315512.

The previous prime is 1400315507. The next prime is 1400315533. The reversal of 1400315513 is 3155130041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900480064 + 499835449 = 30008^2 + 22357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400315513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400315503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700157756 + 700157757.

It is an arithmetic number, because the mean of its divisors is an integer number (700157757).

Almost surely, 2^1400315513 is an apocalyptic number.

It is an amenable number.

1400315513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400315513 is an equidigital number, since it uses as much as digits as its factorization.

1400315513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1400315513 is about 37420.7898500286. The cubic root of 1400315513 is about 1118.7729740796.

Adding to 1400315513 its reverse (3155130041), we get a palindrome (4555445554).

The spelling of 1400315513 in words is "one billion, four hundred million, three hundred fifteen thousand, five hundred thirteen".