140555300 has 54 divisors (see below), whose sum is σ = 318962658. Its totient is φ = 53757440.

The previous prime is 140555291. The next prime is 140555309. The reversal of 140555300 is 3555041.

It is an interprime number because it is at equal distance from previous prime (140555291) and next prime (140555309).

It can be written as a sum of positive squares in 3 ways, for example, as 14577124 + 125978176 = 3818^2 + 11224^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (140555309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51572 + ... + 54228.

Almost surely, 2^140555300 is an apocalyptic number.

140555300 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 140555300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159481329).

140555300 is an abundant number, since it is smaller than the sum of its proper divisors (178407358).

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

140555300 is a wasteful number, since it uses less digits than its factorization.

140555300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 140555300 is about 11855.6020513511. The cubic root of 140555300 is about 519.9350263987.

The spelling of 140555300 in words is "one hundred forty million, five hundred fifty-five thousand, three hundred".