1402166105 has 4 divisors (see below), whose sum is σ = 1682599332. Its totient is φ = 1121732880.

The previous prime is 1402166083. The next prime is 1402166113. The reversal of 1402166105 is 5016612041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 805878544 + 596287561 = 28388^2 + 24419^2 .

It is not a de Polignac number, because 1402166105 - 2⁶ = 1402166041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 140216606 + ... + 140216615.

It is an arithmetic number, because the mean of its divisors is an integer number (420649833).

Almost surely, 2^1402166105 is an apocalyptic number.

It is an amenable number.

1402166105 is a deficient number, since it is larger than the sum of its proper divisors (280433227).

1402166105 is an equidigital number, since it uses as much as digits as its factorization.

1402166105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280433226.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1402166105 is about 37445.5084756503. The cubic root of 1402166105 is about 1119.2655966161.

Adding to 1402166105 its reverse (5016612041), we get a palindrome (6418778146).

The spelling of 1402166105 in words is "one billion, four hundred two million, one hundred sixty-six thousand, one hundred five".