1400321213 has 4 divisors (see below), whose sum is σ = 1461204768. Its totient is φ = 1339437660.

The previous prime is 1400321191. The next prime is 1400321233. The reversal of 1400321213 is 3121230041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3121230041 = 67 ⋅46585523.

It is a de Polignac number, because none of the positive numbers 2^k-1400321213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400321191 and 1400321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400321233) 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, 30441743 + ... + 30441788.

It is an arithmetic number, because the mean of its divisors is an integer number (365301192).

Almost surely, 2^1400321213 is an apocalyptic number.

It is an amenable number.

1400321213 is a deficient number, since it is larger than the sum of its proper divisors (60883555).

1400321213 is an equidigital number, since it uses as much as digits as its factorization.

1400321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60883554.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1400321213 is about 37420.8660108234. The cubic root of 1400321213 is about 1118.7744920702.

Adding to 1400321213 its reverse (3121230041), we get a palindrome (4521551254).

The spelling of 1400321213 in words is "one billion, four hundred million, three hundred twenty-one thousand, two hundred thirteen".