140449500 has 216 divisors, whose sum is σ = 471023280. Its totient is φ = 35217600.

The previous prime is 140449471. The next prime is 140449513. The reversal of 140449500 is 5944041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2380471 + ... + 2380529.

Almost surely, 2^140449500 is an apocalyptic number.

140449500 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 140449500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235511640).

140449500 is an abundant number, since it is smaller than the sum of its proper divisors (330573780).

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

140449500 is a wasteful number, since it uses less digits than its factorization.

140449500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140449500 is about 11851.1391857492. The cubic root of 140449500 is about 519.8045369902.

The spelling of 140449500 in words is "one hundred forty million, four hundred forty-nine thousand, five hundred".