2137758905 has 8 divisors (see below), whose sum is σ = 2578742784. Its totient is φ = 1701252400.

The previous prime is 2137758899. The next prime is 2137758919. The reversal of 2137758905 is 5098577312.

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

It is not a de Polignac number, because 2137758905 - 2²⁴ = 2120981689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2137758905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118291 + ... + 1120200.

It is an arithmetic number, because the mean of its divisors is an integer number (322342848).

Almost surely, 2^2137758905 is an apocalyptic number.

It is an amenable number.

2137758905 is a deficient number, since it is larger than the sum of its proper divisors (440983879).

2137758905 is a wasteful number, since it uses less digits than its factorization.

2137758905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238687.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 2137758905 is about 46235.9049332875. The cubic root of 2137758905 is about 1288.2087401437.

The spelling of 2137758905 in words is "two billion, one hundred thirty-seven million, seven hundred fifty-eight thousand, nine hundred five".