140378250 has 32 divisors (see below), whose sum is σ = 350385984. Its totient is φ = 37434000.

The previous prime is 140378243. The next prime is 140378267. The reversal of 140378250 is 52873041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92836 + ... + 94335.

It is an arithmetic number, because the mean of its divisors is an integer number (10949562).

Almost surely, 2^140378250 is an apocalyptic number.

140378250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140378250 is an abundant number, since it is smaller than the sum of its proper divisors (210007734).

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

140378250 is a wasteful number, since it uses less digits than its factorization.

140378250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187191 (or 187181 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140378250 is about 11848.1327642798. The cubic root of 140378250 is about 519.7166232138.

The spelling of 140378250 in words is "one hundred forty million, three hundred seventy-eight thousand, two hundred fifty".