1002134404540 has 48 divisors (see below), whose sum is σ = 2228569906752. Its totient is φ = 377224252416.

The previous prime is 1002134404519. The next prime is 1002134404561. The reversal of 1002134404540 is 454044312001.

It is an interprime number because it is at equal distance from previous prime (1002134404519) and next prime (1002134404561).

It is a super-2 number, since 2×1002134404540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002134404499 and 1002134404508.

It is a congruent number.

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, 2432809 + ... + 2814751.

It is an arithmetic number, because the mean of its divisors is an integer number (46428539724).

Almost surely, 2^{1002134404540} is an apocalyptic number.

1002134404540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002134404540 is an abundant number, since it is smaller than the sum of its proper divisors (1226435502212).

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

1002134404540 is a wasteful number, since it uses less digits than its factorization.

1002134404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389686 (or 389684 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1002134404540 its reverse (454044312001), we get a palindrome (1456178716541).

The spelling of 1002134404540 in words is "one trillion, two billion, one hundred thirty-four million, four hundred four thousand, five hundred forty".