140040250 has 64 divisors (see below), whose sum is σ = 306738432. Its totient is φ = 46872000.

The previous prime is 140040211. The next prime is 140040253. The reversal of 140040250 is 52040041.

140040250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140040250² = 39222543240125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140040253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74320 + ... + 76180.

It is an arithmetic number, because the mean of its divisors is an integer number (4792788).

Almost surely, 2^140040250 is an apocalyptic number.

140040250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140040250 is an abundant number, since it is smaller than the sum of its proper divisors (166698182).

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

140040250 is a wasteful number, since it uses less digits than its factorization.

140040250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 140040250 is about 11833.8603169042. The cubic root of 140040250 is about 519.2991668189.

Adding to 140040250 its reverse (52040041), we get a palindrome (192080291).

The spelling of 140040250 in words is "one hundred forty million, forty thousand, two hundred fifty".