140206248 has 192 divisors, whose sum is σ = 488376000. Its totient is φ = 36941184.

The previous prime is 140206223. The next prime is 140206267. The reversal of 140206248 is 842602041.

140206248 is a `hidden beast` number, since 14 + 0 + 20 + 624 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137083 + ... + 138101.

It is an arithmetic number, because the mean of its divisors is an integer number (2543625).

Almost surely, 2^140206248 is an apocalyptic number.

140206248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140206248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244188000).

140206248 is an abundant number, since it is smaller than the sum of its proper divisors (348169752).

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

140206248 is a wasteful number, since it uses less digits than its factorization.

140206248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 140206248 is about 11840.8719273540. The cubic root of 140206248 is about 519.5042711494.

Adding to 140206248 its reverse (842602041), we get a palindrome (982808289).

The spelling of 140206248 in words is "one hundred forty million, two hundred six thousand, two hundred forty-eight".