1400432213 has 4 divisors (see below), whose sum is σ = 1433000448. Its totient is φ = 1367863980.

The previous prime is 1400432207. The next prime is 1400432227. The reversal of 1400432213 is 3122340041.

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: 3122340041 = 863 ⋅3618007.

It is a cyclic number.

It is not a de Polignac number, because 1400432213 - 2¹⁸ = 1400170069 is a prime.

It is a super-2 number, since 2×1400432213² = 3922420766416154738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400432233) 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, 16284053 + ... + 16284138.

It is an arithmetic number, because the mean of its divisors is an integer number (358250112).

Almost surely, 2^1400432213 is an apocalyptic number.

It is an amenable number.

1400432213 is a deficient number, since it is larger than the sum of its proper divisors (32568235).

1400432213 is an equidigital number, since it uses as much as digits as its factorization.

1400432213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32568234.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1400432213 is about 37422.3491111929. The cubic root of 1400432213 is about 1118.8040521183.

Adding to 1400432213 its reverse (3122340041), we get a palindrome (4522772254).

The spelling of 1400432213 in words is "one billion, four hundred million, four hundred thirty-two thousand, two hundred thirteen".