1400013814 has 8 divisors (see below), whose sum is σ = 2100342888. Its totient is φ = 699899520.

The previous prime is 1400013809. The next prime is 1400013817. The reversal of 1400013814 is 4183100041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400013817) by changing a digit.

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, 36267 + ... + 64150.

It is an arithmetic number, because the mean of its divisors is an integer number (262542861).

Almost surely, 2^1400013814 is an apocalyptic number.

1400013814 is a deficient number, since it is larger than the sum of its proper divisors (700329074).

1400013814 is a wasteful number, since it uses less digits than its factorization.

1400013814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107390.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1400013814 is about 37416.7584646238. The cubic root of 1400013814 is about 1118.6926214905.

Adding to 1400013814 its reverse (4183100041), we get a palindrome (5583113855).

The spelling of 1400013814 in words is "one billion, four hundred million, thirteen thousand, eight hundred fourteen".