140422751 has 16 divisors (see below), whose sum is σ = 167837184. Its totient is φ = 114870624.

The previous prime is 140422741. The next prime is 140422753. The reversal of 140422751 is 157224041.

It is a cyclic number.

It is not a de Polignac number, because 140422751 - 2¹⁴ = 140406367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140422751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140422753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109325 + ... + 110601.

It is an arithmetic number, because the mean of its divisors is an integer number (10489824).

Almost surely, 2^140422751 is an apocalyptic number.

140422751 is a deficient number, since it is larger than the sum of its proper divisors (27414433).

140422751 is a wasteful number, since it uses less digits than its factorization.

140422751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 140422751 is about 11850.0105907126. The cubic root of 140422751 is about 519.7715354858.

Adding to 140422751 its reverse (157224041), we get a palindrome (297646792).

The spelling of 140422751 in words is "one hundred forty million, four hundred twenty-two thousand, seven hundred fifty-one".