140321104020 has 72 divisors (see below), whose sum is σ = 426763952160. Its totient is φ = 37320212160.

The previous prime is 140321104003. The next prime is 140321104057. The reversal of 140321104020 is 20401123041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140321103984 and 140321104002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960226 + ... + 1096665.

Almost surely, 2^140321104020 is an apocalyptic number.

140321104020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140321104020 is an abundant number, since it is smaller than the sum of its proper divisors (286442848140).

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

140321104020 is a wasteful number, since it uses less digits than its factorization.

140321104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057285 (or 2057280 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 140321104020 its reverse (20401123041), we get a palindrome (160722227061).

The spelling of 140321104020 in words is "one hundred forty billion, three hundred twenty-one million, one hundred four thousand, twenty".