1158132135636 has 144 divisors (see below), whose sum is σ = 3473862013440. Its totient is φ = 318305272320.

The previous prime is 1158132135617. The next prime is 1158132135661. The reversal of 1158132135636 is 6365312318511.

1158132135636 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 1 + 3 + 2 + 1 + 3 + 5 + 636 = 666.

It is a super-2 number, since 2×1158132135636² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158132135591 and 1158132135600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1688080 + ... + 2272856.

It is an arithmetic number, because the mean of its divisors is an integer number (24124041760).

Almost surely, 2^{1158132135636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158132135636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736931006720).

1158132135636 is an abundant number, since it is smaller than the sum of its proper divisors (2315729877804).

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

1158132135636 is a wasteful number, since it uses less digits than its factorization.

1158132135636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585094 (or 585089 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 1158132135636 in words is "one trillion, one hundred fifty-eight billion, one hundred thirty-two million, one hundred thirty-five thousand, six hundred thirty-six".