140121300 has 72 divisors (see below), whose sum is σ = 442284192. Its totient is φ = 33968000.

The previous prime is 140121299. The next prime is 140121341. The reversal of 140121300 is 3121041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 17931 + ... + 24530.

It is an arithmetic number, because the mean of its divisors is an integer number (6142836).

Almost surely, 2^140121300 is an apocalyptic number.

140121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140121300 is an abundant number, since it is smaller than the sum of its proper divisors (302162892).

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

140121300 is a wasteful number, since it uses less digits than its factorization.

140121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42489 (or 42482 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140121300 is about 11837.2843169369. The cubic root of 140121300 is about 519.3993310698.

Adding to 140121300 its reverse (3121041), we get a palindrome (143242341).

The spelling of 140121300 in words is "one hundred forty million, one hundred twenty-one thousand, three hundred".