1408105109 has 2 divisors, whose sum is σ = 1408105110. Its totient is φ = 1408105108.

The previous prime is 1408105081. The next prime is 1408105123. The reversal of 1408105109 is 9015018041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969076900 + 439028209 = 31130^2 + 20953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408105109 - 2⁸ = 1408104853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408105129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704052554 + 704052555.

It is an arithmetic number, because the mean of its divisors is an integer number (704052555).

Almost surely, 2^1408105109 is an apocalyptic number.

It is an amenable number.

1408105109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408105109 is an equidigital number, since it uses as much as digits as its factorization.

1408105109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 1408105109 is about 37524.7266345806. The cubic root of 1408105109 is about 1120.8436216773.

The spelling of 1408105109 in words is "one billion, four hundred eight million, one hundred five thousand, one hundred nine".