140520441234 has 64 divisors (see below), whose sum is σ = 293891659776. Its totient is φ = 44747500224.

The previous prime is 140520441221. The next prime is 140520441239. The reversal of 140520441234 is 432144025041.

140520441234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140520441239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24576544 + ... + 24582260.

It is an arithmetic number, because the mean of its divisors is an integer number (4592057184).

Almost surely, 2^140520441234 is an apocalyptic number.

140520441234 is an abundant number, since it is smaller than the sum of its proper divisors (153371218542).

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

140520441234 is a wasteful number, since it uses less digits than its factorization.

140520441234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 140520441234 its reverse (432144025041), we get a palindrome (572664466275).

The spelling of 140520441234 in words is "one hundred forty billion, five hundred twenty million, four hundred forty-one thousand, two hundred thirty-four".