140818073 has 16 divisors (see below), whose sum is σ = 158829120. Its totient is φ = 123748800.

The previous prime is 140818061. The next prime is 140818079. The reversal of 140818073 is 370818041.

It is a cyclic number.

It is not a de Polignac number, because 140818073 - 2⁶ = 140818009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140818079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37811 + ... + 41367.

It is an arithmetic number, because the mean of its divisors is an integer number (9926820).

Almost surely, 2^140818073 is an apocalyptic number.

It is an amenable number.

140818073 is a deficient number, since it is larger than the sum of its proper divisors (18011047).

140818073 is a wasteful number, since it uses less digits than its factorization.

140818073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 140818073 is about 11866.6791057987. The cubic root of 140818073 is about 520.2588368689.

Subtracting from 140818073 its sum of digits (32), we obtain a palindrome (140818041).

The spelling of 140818073 in words is "one hundred forty million, eight hundred eighteen thousand, seventy-three".