140020432635 has 16 divisors (see below), whose sum is σ = 224093314080. Its totient is φ = 74657356800.

The previous prime is 140020432621. The next prime is 140020432637. The reversal of 140020432635 is 536234020041.

It is not a de Polignac number, because 140020432635 - 2⁶ = 140020432571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140020432637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205590 + ... + 1316619.

It is an arithmetic number, because the mean of its divisors is an integer number (14005832130).

Almost surely, 2^140020432635 is an apocalyptic number.

140020432635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140020432635 is a deficient number, since it is larger than the sum of its proper divisors (84072881445).

140020432635 is a wasteful number, since it uses less digits than its factorization.

140020432635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525918.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 140020432635 its reverse (536234020041), we get a palindrome (676254452676).

The spelling of 140020432635 in words is "one hundred forty billion, twenty million, four hundred thirty-two thousand, six hundred thirty-five".