140136250 has 40 divisors (see below), whose sum is σ = 266539680. Its totient is φ = 55230000.

The previous prime is 140136247. The next prime is 140136257. The reversal of 140136250 is 52631041.

140136250 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140136257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87961 + ... + 89539.

It is an arithmetic number, because the mean of its divisors is an integer number (6663492).

Almost surely, 2^140136250 is an apocalyptic number.

140136250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140136250 is a deficient number, since it is larger than the sum of its proper divisors (126403430).

140136250 is an equidigital number, since it uses as much as digits as its factorization.

140136250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140136250 is about 11837.9157793929. The cubic root of 140136250 is about 519.4178025509.

Adding to 140136250 its reverse (52631041), we get a palindrome (192767291).

The spelling of 140136250 in words is "one hundred forty million, one hundred thirty-six thousand, two hundred fifty".