1002140204140 has 24 divisors (see below), whose sum is σ = 2104858833840. Its totient is φ = 400786671168.

The previous prime is 1002140204119. The next prime is 1002140204183. The reversal of 1002140204140 is 414020412001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4219687 + ... + 4450846.

It is an arithmetic number, because the mean of its divisors is an integer number (87702451410).

Almost surely, 2^{1002140204140} is an apocalyptic number.

1002140204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002140204140 is an abundant number, since it is smaller than the sum of its proper divisors (1102718629700).

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

1002140204140 is a wasteful number, since it uses less digits than its factorization.

1002140204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676321 (or 8676319 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1002140204140 its reverse (414020412001), we get a palindrome (1416160616141).

The spelling of 1002140204140 in words is "one trillion, two billion, one hundred forty million, two hundred four thousand, one hundred forty".