140798250 has 160 divisors (see below), whose sum is σ = 417914640. Its totient is φ = 35251200.

The previous prime is 140798237. The next prime is 140798261. The reversal of 140798250 is 52897041.

It can be written as a sum of positive squares in 8 ways, for example, as 41177889 + 99620361 = 6417^2 + 9981^2 .

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 79 ways as a sum of consecutive naturals, for example, 344046 + ... + 344454.

Almost surely, 2^140798250 is an apocalyptic number.

140798250 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 140798250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208957320).

140798250 is an abundant number, since it is smaller than the sum of its proper divisors (277116390).

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

140798250 is a wasteful number, since it uses less digits than its factorization.

140798250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 140798250 is about 11865.8438385140. The cubic root of 140798250 is about 520.2344233954.

The spelling of 140798250 in words is "one hundred forty million, seven hundred ninety-eight thousand, two hundred fifty".