2136188930 has 8 divisors (see below), whose sum is σ = 3845140092. Its totient is φ = 854475568.

The previous prime is 2136188927. The next prime is 2136188953. The reversal of 2136188930 is 398816312.

It can be written as a sum of positive squares in 2 ways, for example, as 1952667721 + 183521209 = 44189^2 + 13547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106809437 + ... + 106809456.

Almost surely, 2^2136188930 is an apocalyptic number.

2136188930 is a deficient number, since it is larger than the sum of its proper divisors (1708951162).

2136188930 is a wasteful number, since it uses less digits than its factorization.

2136188930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213618900.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2136188930 is about 46218.9239381446. The cubic root of 2136188930 is about 1287.8933084374.

The spelling of 2136188930 in words is "two billion, one hundred thirty-six million, one hundred eighty-eight thousand, nine hundred thirty".