189154130000 has 100 divisors (see below), whose sum is σ = 499594178688. Its totient is φ = 68783280000.

The previous prime is 189154129991. The next prime is 189154130017. The reversal of 189154130000 is 31451981.

189154130000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 749792 + ... + 969791.

Almost surely, 2^189154130000 is an apocalyptic number.

189154130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189154130000 is an abundant number, since it is smaller than the sum of its proper divisors (310440048688).

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

189154130000 is a wasteful number, since it uses less digits than its factorization.

189154130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719622 (or 1719601 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 189154130000 its reverse (31451981), we get a palindrome (189185581981).

The spelling of 189154130000 in words is "one hundred eighty-nine billion, one hundred fifty-four million, one hundred thirty thousand".