1400214213 has 6 divisors (see below), whose sum is σ = 2022531654. Its totient is φ = 933476136.

The previous prime is 1400214181. The next prime is 1400214227. The reversal of 1400214213 is 3124120041.

It can be written as a sum of positive squares in only one way, i.e., 774063684 + 626150529 = 27822^2 + 25023^2 .

It is not a de Polignac number, because 1400214213 - 2⁵ = 1400214181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400214113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77789670 + ... + 77789687.

It is an arithmetic number, because the mean of its divisors is an integer number (337088609).

Almost surely, 2^1400214213 is an apocalyptic number.

It is an amenable number.

1400214213 is a deficient number, since it is larger than the sum of its proper divisors (622317441).

1400214213 is a wasteful number, since it uses less digits than its factorization.

1400214213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155579363 (or 155579360 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1400214213 is about 37419.4362998696. The cubic root of 1400214213 is about 1118.7459957702.

Adding to 1400214213 its reverse (3124120041), we get a palindrome (4524334254).

The spelling of 1400214213 in words is "one billion, four hundred million, two hundred fourteen thousand, two hundred thirteen".