2187680137 has 8 divisors (see below), whose sum is σ = 2259656960. Its totient is φ = 2115791280.

The previous prime is 2187680129. The next prime is 2187680153. The reversal of 2187680137 is 7310867812.

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

It is a cyclic number.

It is not a de Polignac number, because 2187680137 - 2³ = 2187680129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2187680093 and 2187680102.

It is not an unprimeable number, because it can be changed into a prime (2187680177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30598 + ... + 72880.

It is an arithmetic number, because the mean of its divisors is an integer number (282457120).

Almost surely, 2^2187680137 is an apocalyptic number.

It is an amenable number.

2187680137 is a deficient number, since it is larger than the sum of its proper divisors (71976823).

2187680137 is a wasteful number, since it uses less digits than its factorization.

2187680137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43983.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 2187680137 is about 46772.6430405638. The cubic root of 2187680137 is about 1298.1591572584.

The spelling of 2187680137 in words is "two billion, one hundred eighty-seven million, six hundred eighty thousand, one hundred thirty-seven".