140553780 has 48 divisors (see below), whose sum is σ = 396446400. Its totient is φ = 37205248.

The previous prime is 140553769. The next prime is 140553823. The reversal of 140553780 is 87355041.

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 15 ways as a sum of consecutive naturals, for example, 330 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2^140553780 is an apocalyptic number.

140553780 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 140553780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198223200).

140553780 is an abundant number, since it is smaller than the sum of its proper divisors (255892620).

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

140553780 is a wasteful number, since it uses less digits than its factorization.

140553780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17248 (or 17246 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 140553780 is about 11855.5379464620. The cubic root of 140553780 is about 519.9331521563.

The spelling of 140553780 in words is "one hundred forty million, five hundred fifty-three thousand, seven hundred eighty".