1002152135142 has 80 divisors (see below), whose sum is σ = 2367043430400. Its totient is φ = 316028245680.

The previous prime is 1002152135129. The next prime is 1002152135189. The reversal of 1002152135142 is 2415312512001.

It is a happy number.

1002152135142 is a `hidden beast` number, since 100 + 2 + 1 + 521 + 35 + 1 + 4 + 2 = 666.

1002152135142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1986667 + ... + 2439497.

It is an arithmetic number, because the mean of its divisors is an integer number (29588042880).

Almost surely, 2^{1002152135142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002152135142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183521715200).

1002152135142 is an abundant number, since it is smaller than the sum of its proper divisors (1364891295258).

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

1002152135142 is a wasteful number, since it uses less digits than its factorization.

1002152135142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453583 (or 453574 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 1002152135142 its reverse (2415312512001), we get a palindrome (3417464647143).

The spelling of 1002152135142 in words is "one trillion, two billion, one hundred fifty-two million, one hundred thirty-five thousand, one hundred forty-two".