1021593200140 has 48 divisors (see below), whose sum is σ = 2151334356192. Its totient is φ = 407497153536.

The previous prime is 1021593200123. The next prime is 1021593200143. The reversal of 1021593200140 is 410023951201.

It is a junction number, because it is equal to n+sod(n) for n = 1021593200099 and 1021593200108.

It is not an unprimeable number, because it can be changed into a prime (1021593200143) 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, 33149979 + ... + 33180781.

It is an arithmetic number, because the mean of its divisors is an integer number (44819465754).

Almost surely, 2^{1021593200140} is an apocalyptic number.

1021593200140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021593200140 is an abundant number, since it is smaller than the sum of its proper divisors (1129741156052).

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

1021593200140 is a wasteful number, since it uses less digits than its factorization.

1021593200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35386 (or 35384 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 1021593200140 in words is "one trillion, twenty-one billion, five hundred ninety-three million, two hundred thousand, one hundred forty".