2136673500 has 384 divisors, whose sum is σ = 7240396800. Its totient is φ = 485222400.

The previous prime is 2136673459. The next prime is 2136673501. The reversal of 2136673500 is 53766312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136673501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27046461 + ... + 27046539.

It is an arithmetic number, because the mean of its divisors is an integer number (18855200).

Almost surely, 2^2136673500 is an apocalyptic number.

2136673500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136673500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3620198400).

2136673500 is an abundant number, since it is smaller than the sum of its proper divisors (5103723300).

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

2136673500 is a wasteful number, since it uses less digits than its factorization.

2136673500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 2136673500 is about 46224.1657577506. The cubic root of 2136673500 is about 1287.9906823587.

The spelling of 2136673500 in words is "two billion, one hundred thirty-six million, six hundred seventy-three thousand, five hundred".