1400434141 has 2 divisors, whose sum is σ = 1400434142. Its totient is φ = 1400434140.

The previous prime is 1400434081. The next prime is 1400434213. The reversal of 1400434141 is 1414340041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278420025 + 122014116 = 35755^2 + 11046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400434141 - 2¹⁹ = 1399909853 is a prime.

It is a super-2 number, since 2×1400434141² = 3922431566556815762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400434241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700217070 + 700217071.

It is an arithmetic number, because the mean of its divisors is an integer number (700217071).

Almost surely, 2^1400434141 is an apocalyptic number.

It is an amenable number.

1400434141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400434141 is an equidigital number, since it uses as much as digits as its factorization.

1400434141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1400434141 is about 37422.3748711917. The cubic root of 1400434141 is about 1118.8045655439.

Adding to 1400434141 its reverse (1414340041), we get a palindrome (2814774182).

The spelling of 1400434141 in words is "one billion, four hundred million, four hundred thirty-four thousand, one hundred forty-one".