2754921138 has 32 divisors (see below), whose sum is σ = 5535371520. Its totient is φ = 914062800.

The previous prime is 2754921133. The next prime is 2754921139. The reversal of 2754921138 is 8311294572.

It is a self number, because there is not a number n which added to its sum of digits gives 2754921138.

It is not an unprimeable number, because it can be changed into a prime (2754921133) 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 15 ways as a sum of consecutive naturals, for example, 2187553 + ... + 2188811.

It is an arithmetic number, because the mean of its divisors is an integer number (172980360).

Almost surely, 2^2754921138 is an apocalyptic number.

2754921138 is an abundant number, since it is smaller than the sum of its proper divisors (2780450382).

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

2754921138 is a wasteful number, since it uses less digits than its factorization.

2754921138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its digits is 120960, while the sum is 42.

The square root of 2754921138 is about 52487.3426456322. The cubic root of 2754921138 is about 1401.8548777581.

The spelling of 2754921138 in words is "two billion, seven hundred fifty-four million, nine hundred twenty-one thousand, one hundred thirty-eight".