140520213652 has 48 divisors (see below), whose sum is σ = 302690771712. Its totient is φ = 55584564480.

The previous prime is 140520213643. The next prime is 140520213653. The reversal of 140520213652 is 256312025041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140520213653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5505873 + ... + 5531335.

It is an arithmetic number, because the mean of its divisors is an integer number (6306057744).

Almost surely, 2^140520213652 is an apocalyptic number.

It is an amenable number.

140520213652 is an abundant number, since it is smaller than the sum of its proper divisors (162170558060).

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

140520213652 is a wasteful number, since it uses less digits than its factorization.

140520213652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40648 (or 40646 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 140520213652 its reverse (256312025041), we get a palindrome (396832238693).

The spelling of 140520213652 in words is "one hundred forty billion, five hundred twenty million, two hundred thirteen thousand, six hundred fifty-two".