140242321120420 has 12 divisors (see below), whose sum is σ = 294508874352924. Its totient is φ = 56096928448160.

The previous prime is 140242321120373. The next prime is 140242321120427. The reversal of 140242321120420 is 24021123242041.

It can be written as a sum of positive squares in 2 ways, for example, as 100040964194304 + 40201356926116 = 10002048^2 + 6340454^2 .

It is not an unprimeable number, because it can be changed into a prime (140242321120427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3506058027991 + ... + 3506058028030.

It is an arithmetic number, because the mean of its divisors is an integer number (24542406196077).

Almost surely, 2^{140242321120420} is an apocalyptic number.

140242321120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140242321120420 is an abundant number, since it is smaller than the sum of its proper divisors (154266553232504).

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

140242321120420 is a wasteful number, since it uses less digits than its factorization.

140242321120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012116056030 (or 7012116056028 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140242321120420 its reverse (24021123242041), we get a palindrome (164263444362461).

The spelling of 140242321120420 in words is "one hundred forty trillion, two hundred forty-two billion, three hundred twenty-one million, one hundred twenty thousand, four hundred twenty".