1400343013 has 4 divisors (see below), whose sum is σ = 1419525868. Its totient is φ = 1381160160.

The previous prime is 1400342963. The next prime is 1400343029. The reversal of 1400343013 is 3103430041.

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 311804964 + 1088538049 = 17658^2 + 32993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400343013 - 2⁹ = 1400342501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400340013) 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, 9591318 + ... + 9591463.

It is an arithmetic number, because the mean of its divisors is an integer number (354881467).

Almost surely, 2^1400343013 is an apocalyptic number.

It is an amenable number.

1400343013 is a deficient number, since it is larger than the sum of its proper divisors (19182855).

1400343013 is an equidigital number, since it uses as much as digits as its factorization.

1400343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19182854.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1400343013 is about 37421.1572910299. The cubic root of 1400343013 is about 1118.7802976804.

Adding to 1400343013 its reverse (3103430041), we get a palindrome (4503773054).

The spelling of 1400343013 in words is "one billion, four hundred million, three hundred forty-three thousand, thirteen".