1400550013 has 4 divisors (see below), whose sum is σ = 1416286620. Its totient is φ = 1384813408.

The previous prime is 1400550007. The next prime is 1400550043. The reversal of 1400550013 is 3100550041.

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 319587129 + 1080962884 = 17877^2 + 32878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400550013 - 2¹⁷ = 1400418941 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 (1400550043) 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 in 3 ways as a sum of consecutive naturals, for example, 7868170 + ... + 7868347.

It is an arithmetic number, because the mean of its divisors is an integer number (354071655).

Almost surely, 2^1400550013 is an apocalyptic number.

It is an amenable number.

1400550013 is a deficient number, since it is larger than the sum of its proper divisors (15736607).

1400550013 is an equidigital number, since it uses as much as digits as its factorization.

1400550013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736606.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1400550013 is about 37423.9230038755. The cubic root of 1400550013 is about 1118.8354213439.

The spelling of 1400550013 in words is "one billion, four hundred million, five hundred fifty thousand, thirteen".