140135250220 has 48 divisors (see below), whose sum is σ = 337054310208. Its totient is φ = 47942127360.

The previous prime is 140135250193. The next prime is 140135250239. The reversal of 140135250220 is 22052531041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021107 + ... + 1150186.

It is an arithmetic number, because the mean of its divisors is an integer number (7021964796).

Almost surely, 2^140135250220 is an apocalyptic number.

140135250220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140135250220 is an abundant number, since it is smaller than the sum of its proper divisors (196919059988).

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

140135250220 is a wasteful number, since it uses less digits than its factorization.

140135250220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171770 (or 2171768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 140135250220 its reverse (22052531041), we get a palindrome (162187781261).

The spelling of 140135250220 in words is "one hundred forty billion, one hundred thirty-five million, two hundred fifty thousand, two hundred twenty".