140109250 has 16 divisors (see below), whose sum is σ = 262284984. Its totient is φ = 56043600.

The previous prime is 140109239. The next prime is 140109251. The reversal of 140109250 is 52901041.

It can be written as a sum of positive squares in 4 ways, for example, as 48121969 + 91987281 = 6937^2 + 9591^2 .

It is not an unprimeable number, because it can be changed into a prime (140109251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279969 + ... + 280468.

Almost surely, 2^140109250 is an apocalyptic number.

140109250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140109250 is a deficient number, since it is larger than the sum of its proper divisors (122175734).

140109250 is an equidigital number, since it uses as much as digits as its factorization.

140109250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560454 (or 560444 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 140109250 is about 11836.7753210070. The cubic root of 140109250 is about 519.3844417290.

The spelling of 140109250 in words is "one hundred forty million, one hundred nine thousand, two hundred fifty".