2138095512 has 48 divisors (see below), whose sum is σ = 6617916240. Its totient is φ = 610884288.

The previous prime is 2138095483. The next prime is 2138095537. The reversal of 2138095512 is 2155908312.

2138095512 is a `hidden beast` number, since 2 + 138 + 0 + 9 + 5 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2120623 + ... + 2121630.

It is an arithmetic number, because the mean of its divisors is an integer number (137873255).

Almost surely, 2^2138095512 is an apocalyptic number.

It is an amenable number.

2138095512 is an abundant number, since it is smaller than the sum of its proper divisors (4479820728).

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

2138095512 is a wasteful number, since it uses less digits than its factorization.

2138095512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242272 (or 4242265 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 2138095512 is about 46239.5448939541. The cubic root of 2138095512 is about 1288.2763494707.

The spelling of 2138095512 in words is "two billion, one hundred thirty-eight million, ninety-five thousand, five hundred twelve".