140120250 has 64 divisors (see below), whose sum is σ = 368184960. Its totient is φ = 35395200.

The previous prime is 140120237. The next prime is 140120251. The reversal of 140120250 is 52021041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (140120251) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9334 + ... + 19166.

It is an arithmetic number, because the mean of its divisors is an integer number (5752890).

Almost surely, 2^140120250 is an apocalyptic number.

140120250 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 140120250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184092480).

140120250 is an abundant number, since it is smaller than the sum of its proper divisors (228064710).

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

140120250 is a wasteful number, since it uses less digits than its factorization.

140120250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140120250 is about 11837.2399654649. The cubic root of 140120250 is about 519.3980336923.

Adding to 140120250 its reverse (52021041), we get a palindrome (192141291).

The spelling of 140120250 in words is "one hundred forty million, one hundred twenty thousand, two hundred fifty".