140006250 has 144 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 35100000.

The previous prime is 140006239. The next prime is 140006281. The reversal of 140006250 is 52600041.

It is a happy number.

140006250 is a `hidden beast` number, since 1 + 40 + 0 + 0 + 625 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1068685 + ... + 1068815.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 2^140006250 is an apocalyptic number.

140006250 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 140006250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201080880).

140006250 is an abundant number, since it is smaller than the sum of its proper divisors (262155510).

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

140006250 is a wasteful number, since it uses less digits than its factorization.

140006250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140006250 is about 11832.4236739562. The cubic root of 140006250 is about 519.2571369959.

Adding to 140006250 its reverse (52600041), we get a palindrome (192606291).

The spelling of 140006250 in words is "one hundred forty million, six thousand, two hundred fifty".