136181238030 has 72 divisors (see below), whose sum is σ = 358096122072. Its totient is φ = 35906775168.

The previous prime is 136181238029. The next prime is 136181238059. The reversal of 136181238030 is 30832181631.

136181238030 is a `hidden beast` number, since 1 + 3 + 618 + 1 + 2 + 3 + 8 + 0 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 617377 + ... + 808403.

It is an arithmetic number, because the mean of its divisors is an integer number (4973557251).

Almost surely, 2^136181238030 is an apocalyptic number.

136181238030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136181238030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179048061036).

136181238030 is an abundant number, since it is smaller than the sum of its proper divisors (221914884042).

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

136181238030 is a wasteful number, since it uses less digits than its factorization.

136181238030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191218 (or 191126 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 136181238030 in words is "one hundred thirty-six billion, one hundred eighty-one million, two hundred thirty-eight thousand, thirty".