1400316289 has 4 divisors (see below), whose sum is σ = 1400850756. Its totient is φ = 1399781824.

The previous prime is 1400316271. The next prime is 1400316293. The reversal of 1400316289 is 9826130041.

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 906010000 + 494306289 = 30100^2 + 22233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400316289 - 2¹¹ = 1400314241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400326289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263284 + ... + 268549.

It is an arithmetic number, because the mean of its divisors is an integer number (350212689).

Almost surely, 2^1400316289 is an apocalyptic number.

It is an amenable number.

1400316289 is a deficient number, since it is larger than the sum of its proper divisors (534467).

1400316289 is an equidigital number, since it uses as much as digits as its factorization.

1400316289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534466.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1400316289 is about 37420.8002185950. The cubic root of 1400316289 is about 1118.7731807396.

The spelling of 1400316289 in words is "one billion, four hundred million, three hundred sixteen thousand, two hundred eighty-nine".