2541748138 has 8 divisors (see below), whose sum is σ = 3812983200. Its totient is φ = 1270753740.

The previous prime is 2541748117. The next prime is 2541748151. The reversal of 2541748138 is 8318471452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2541748094 and 2541748103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30918 + ... + 77713.

It is an arithmetic number, because the mean of its divisors is an integer number (476622900).

Almost surely, 2^2541748138 is an apocalyptic number.

2541748138 is a deficient number, since it is larger than the sum of its proper divisors (1271235062).

2541748138 is a wasteful number, since it uses less digits than its factorization.

2541748138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120332.

The product of its digits is 215040, while the sum is 43.

The square root of 2541748138 is about 50415.7528754654. The cubic root of 2541748138 is about 1364.7219330983.

The spelling of 2541748138 in words is "two billion, five hundred forty-one million, seven hundred forty-eight thousand, one hundred thirty-eight".