140206850 has 48 divisors (see below), whose sum is σ = 311015808. Its totient is φ = 45978240.

The previous prime is 140206849. The next prime is 140206861. The reversal of 140206850 is 58602041.

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 23 ways as a sum of consecutive naturals, for example, 659 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (6479496).

Almost surely, 2^140206850 is an apocalyptic number.

140206850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140206850 is an abundant number, since it is smaller than the sum of its proper divisors (170808958).

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

140206850 is a wasteful number, since it uses less digits than its factorization.

140206850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17459 (or 17454 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140206850 is about 11840.8973477520. The cubic root of 140206850 is about 519.5050146757.

Adding to 140206850 its reverse (58602041), we get a palindrome (198808891).

The spelling of 140206850 in words is "one hundred forty million, two hundred six thousand, eight hundred fifty".