1440214142231 has 2 divisors, whose sum is σ = 1440214142232. Its totient is φ = 1440214142230.

The previous prime is 1440214142207. The next prime is 1440214142261. The reversal of 1440214142231 is 1322414120441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440214142231 - 2³⁴ = 1423034273047 is a prime.

It is a super-2 number, since 2×1440214142231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440214142194 and 1440214142203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440214142261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720107071115 + 720107071116.

It is an arithmetic number, because the mean of its divisors is an integer number (720107071116).

Almost surely, 2^{1440214142231} is an apocalyptic number.

1440214142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440214142231 is an equidigital number, since it uses as much as digits as its factorization.

1440214142231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1440214142231 its reverse (1322414120441), we get a palindrome (2762628262672).

The spelling of 1440214142231 in words is "one trillion, four hundred forty billion, two hundred fourteen million, one hundred forty-two thousand, two hundred thirty-one".