140434532020 has 12 divisors (see below), whose sum is σ = 294912517284. Its totient is φ = 56173812800.

The previous prime is 140434532009. The next prime is 140434532027. The reversal of 140434532020 is 20235434041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105321019024 + 35113512996 = 324532^2 + 187386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140434532020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434532027) 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 3 ways as a sum of consecutive naturals, for example, 3510863281 + ... + 3510863320.

It is an arithmetic number, because the mean of its divisors is an integer number (24576043107).

Almost surely, 2^140434532020 is an apocalyptic number.

140434532020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140434532020 is an abundant number, since it is smaller than the sum of its proper divisors (154477985264).

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

140434532020 is a wasteful number, since it uses less digits than its factorization.

140434532020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021726610 (or 7021726608 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 140434532020 its reverse (20235434041), we get a palindrome (160669966061).

The spelling of 140434532020 in words is "one hundred forty billion, four hundred thirty-four million, five hundred thirty-two thousand, twenty".