140206162 has 4 divisors (see below), whose sum is σ = 210309246. Its totient is φ = 70103080.

The previous prime is 140206141. The next prime is 140206163. The reversal of 140206162 is 261602041.

140206162 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261602041 = 613 ⋅426757.

It can be written as a sum of positive squares in only one way, i.e., 114511401 + 25694761 = 10701^2 + 5069^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (140206163) 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 as a sum of consecutive naturals, namely, 35051539 + ... + 35051542.

Almost surely, 2^140206162 is an apocalyptic number.

140206162 is a deficient number, since it is larger than the sum of its proper divisors (70103084).

140206162 is an equidigital number, since it uses as much as digits as its factorization.

140206162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70103083.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140206162 is about 11840.8682958641. The cubic root of 140206162 is about 519.5041649311.

The spelling of 140206162 in words is "one hundred forty million, two hundred six thousand, one hundred sixty-two".