140206852 has 12 divisors (see below), whose sum is σ = 258275920. Its totient is φ = 66413736.

The previous prime is 140206849. The next prime is 140206861. The reversal of 140206852 is 258602041.

140206852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140206852² = 39315922695499808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140206852.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 922338 + ... + 922489.

Almost surely, 2^140206852 is an apocalyptic number.

It is an amenable number.

140206852 is a deficient number, since it is larger than the sum of its proper divisors (118069068).

140206852 is a wasteful number, since it uses less digits than its factorization.

140206852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844850 (or 1844848 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 140206852 is about 11840.8974322050. The cubic root of 140206852 is about 519.5050171459.

Adding to 140206852 its reverse (258602041), we get a palindrome (398808893).

The spelling of 140206852 in words is "one hundred forty million, two hundred six thousand, eight hundred fifty-two".