1400710505 has 4 divisors (see below), whose sum is σ = 1680852612. Its totient is φ = 1120568400.

The previous prime is 1400710477. The next prime is 1400710513. The reversal of 1400710505 is 5050170041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 577537024 + 823173481 = 24032^2 + 28691^2 .

It is not a de Polignac number, because 1400710505 - 2⁸ = 1400710249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140071046 + ... + 140071055.

It is an arithmetic number, because the mean of its divisors is an integer number (420213153).

Almost surely, 2^1400710505 is an apocalyptic number.

It is an amenable number.

1400710505 is a deficient number, since it is larger than the sum of its proper divisors (280142107).

1400710505 is an equidigital number, since it uses as much as digits as its factorization.

1400710505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280142106.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1400710505 is about 37426.0671858532. The cubic root of 1400710505 is about 1118.8781562872.

Adding to 1400710505 its reverse (5050170041), we get a palindrome (6450880546).

The spelling of 1400710505 in words is "one billion, four hundred million, seven hundred ten thousand, five hundred five".