140206000 has 80 divisors (see below), whose sum is σ = 369895968. Its totient is φ = 50976000.

The previous prime is 140205977. The next prime is 140206037. The reversal of 140206000 is 602041.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18814 + ... + 25186.

Almost surely, 2^140206000 is an apocalyptic number.

140206000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184947984).

140206000 is an abundant number, since it is smaller than the sum of its proper divisors (229689968).

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

140206000 is a wasteful number, since it uses less digits than its factorization.

140206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140206000 is about 11840.8614551476. The cubic root of 140206000 is about 519.5039648455.

Adding to 140206000 its reverse (602041), we get a palindrome (140808041).

The spelling of 140206000 in words is "one hundred forty million, two hundred six thousand".