140909106 has 16 divisors (see below), whose sum is σ = 303496704. Its totient is φ = 43356624.

The previous prime is 140909101. The next prime is 140909113. The reversal of 140909106 is 601909041.

140909106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140909101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903186 + ... + 903341.

It is an arithmetic number, because the mean of its divisors is an integer number (18968544).

Almost surely, 2^140909106 is an apocalyptic number.

140909106 is an abundant number, since it is smaller than the sum of its proper divisors (162587598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140909106 is a wasteful number, since it uses less digits than its factorization.

140909106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806545.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 140909106 is about 11870.5141421928. The cubic root of 140909106 is about 520.3709212526.

The spelling of 140909106 in words is "one hundred forty million, nine hundred nine thousand, one hundred six".