2151138048 has 72 divisors (see below), whose sum is σ = 6026529600. Its totient is φ = 679302144.

The previous prime is 2151138013. The next prime is 2151138107. The reversal of 2151138048 is 8408311512.

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, 59118 + ... + 88301.

It is an arithmetic number, because the mean of its divisors is an integer number (83701800).

Almost surely, 2^2151138048 is an apocalyptic number.

It is an amenable number.

2151138048 is an abundant number, since it is smaller than the sum of its proper divisors (3875391552).

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

2151138048 is a wasteful number, since it uses less digits than its factorization.

2151138048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147457 (or 147443 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 2151138048 is about 46380.3627411429. The cubic root of 2151138048 is about 1290.8905670651.

The spelling of 2151138048 in words is "two billion, one hundred fifty-one million, one hundred thirty-eight thousand, forty-eight".