1013400043 has 2 divisors, whose sum is σ = 1013400044. Its totient is φ = 1013400042.

The previous prime is 1013400029. The next prime is 1013400053. The reversal of 1013400043 is 3400043101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013400043 - 2¹³ = 1013391851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013400023) 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 as a sum of consecutive naturals, namely, 506700021 + 506700022.

It is an arithmetic number, because the mean of its divisors is an integer number (506700022).

Almost surely, 2^1013400043 is an apocalyptic number.

1013400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013400043 is an equidigital number, since it uses as much as digits as its factorization.

1013400043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1013400043 is about 31833.9448230972. The cubic root of 1013400043 is about 1004.4468769733.

Adding to 1013400043 its reverse (3400043101), we get a palindrome (4413443144).

It can be divided in two parts, 101 and 3400043, that multiplied together give a palindrome (343404343).

The spelling of 1013400043 in words is "one billion, thirteen million, four hundred thousand, forty-three".