140299950 has 96 divisors (see below), whose sum is σ = 407473920. Its totient is φ = 31276800.

The previous prime is 140299877. The next prime is 140299961. The reversal of 140299950 is 59992041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140299899 and 140299908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41421 + ... + 44679.

It is an arithmetic number, because the mean of its divisors is an integer number (4244520).

Almost surely, 2^140299950 is an apocalyptic number.

140299950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140299950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203736960).

140299950 is an abundant number, since it is smaller than the sum of its proper divisors (267173970).

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

140299950 is a wasteful number, since it uses less digits than its factorization.

140299950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322 (or 3317 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 140299950 is about 11844.8279852432. The cubic root of 140299950 is about 519.6199762855.

The spelling of 140299950 in words is "one hundred forty million, two hundred ninety-nine thousand, nine hundred fifty".