1187936829342 has 160 divisors (see below), whose sum is σ = 2904399590400. Its totient is φ = 361523347200.

The previous prime is 1187936829283. The next prime is 1187936829407. The reversal of 1187936829342 is 2439286397811.

1187936829342 is a `hidden beast` number, since 1 + 187 + 9 + 36 + 82 + 9 + 342 = 666.

It is a super-2 number, since 2×1187936829342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1187936829342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22969909 + ... + 23021567.

It is an arithmetic number, because the mean of its divisors is an integer number (18152497440).

Almost surely, 2^{1187936829342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187936829342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452199795200).

1187936829342 is an abundant number, since it is smaller than the sum of its proper divisors (1716462761058).

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

1187936829342 is a wasteful number, since it uses less digits than its factorization.

1187936829342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51964 (or 51955 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 1187936829342 in words is "one trillion, one hundred eighty-seven billion, nine hundred thirty-six million, eight hundred twenty-nine thousand, three hundred forty-two".