140205300 has 72 divisors (see below), whose sum is σ = 407432256. Its totient is φ = 37224960.

The previous prime is 140205257. The next prime is 140205301. The reversal of 140205300 is 3502041.

It is a super-2 number, since 2×140205300² = 39315052296180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 140205300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140205301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78012 + ... + 79788.

Almost surely, 2^140205300 is an apocalyptic number.

140205300 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 140205300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203716128).

140205300 is an abundant number, since it is smaller than the sum of its proper divisors (267226956).

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

140205300 is a wasteful number, since it uses less digits than its factorization.

140205300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 140205300 is about 11840.8318964505. The cubic root of 140205300 is about 519.5031002763.

Adding to 140205300 its reverse (3502041), we get a palindrome (143707341).

The spelling of 140205300 in words is "one hundred forty million, two hundred five thousand, three hundred".