1142100161340 has 48 divisors (see below), whose sum is σ = 3200806418208. Its totient is φ = 304281379584.

The previous prime is 1142100161311. The next prime is 1142100161341. The reversal of 1142100161340 is 431610012411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142100161340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142100161341) 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, 8642107 + ... + 8773266.

It is an arithmetic number, because the mean of its divisors is an integer number (66683467046).

Almost surely, 2^{1142100161340} is an apocalyptic number.

1142100161340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142100161340 is an abundant number, since it is smaller than the sum of its proper divisors (2058706256868).

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

1142100161340 is a wasteful number, since it uses less digits than its factorization.

1142100161340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416478 (or 17416476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1142100161340 its reverse (431610012411), we get a palindrome (1573710173751).

The spelling of 1142100161340 in words is "one trillion, one hundred forty-two billion, one hundred million, one hundred sixty-one thousand, three hundred forty".