140220106 has 16 divisors (see below), whose sum is σ = 226704744. Its totient is φ = 64661184.

The previous prime is 140220103. The next prime is 140220137. The reversal of 140220106 is 601022041.

140220106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 140067225 + 152881 = 11835^2 + 391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140220106.

It is not an unprimeable number, because it can be changed into a prime (140220103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56320 + ... + 58756.

Almost surely, 2^140220106 is an apocalyptic number.

140220106 is a deficient number, since it is larger than the sum of its proper divisors (86484638).

140220106 is a wasteful number, since it uses less digits than its factorization.

140220106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140220106 is about 11841.4570893957. The cubic root of 140220106 is about 519.5213865374.

Adding to 140220106 its reverse (601022041), we get a palindrome (741242147).

The spelling of 140220106 in words is "one hundred forty million, two hundred twenty thousand, one hundred six".