140420332302 has 64 divisors (see below), whose sum is σ = 284540256000. Its totient is φ = 46195193088.

The previous prime is 140420332279. The next prime is 140420332307. The reversal of 140420332302 is 203233024041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420332307) 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 31 ways as a sum of consecutive naturals, for example, 135933978 + ... + 135935010.

It is an arithmetic number, because the mean of its divisors is an integer number (4445941500).

Almost surely, 2^140420332302 is an apocalyptic number.

140420332302 is an abundant number, since it is smaller than the sum of its proper divisors (144119923698).

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

140420332302 is a wasteful number, since it uses less digits than its factorization.

140420332302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 140420332302 its reverse (203233024041), we get a palindrome (343653356343).

The spelling of 140420332302 in words is "one hundred forty billion, four hundred twenty million, three hundred thirty-two thousand, three hundred two".