2520547138 has 8 divisors (see below), whose sum is σ = 3945204288. Its totient is φ = 1205479044.

The previous prime is 2520547123. The next prime is 2520547147. The reversal of 2520547138 is 8317450252.

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 = 2520547097 and 2520547106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27397206 + ... + 27397297.

It is an arithmetic number, because the mean of its divisors is an integer number (493150536).

Almost surely, 2^2520547138 is an apocalyptic number.

2520547138 is a deficient number, since it is larger than the sum of its proper divisors (1424657150).

2520547138 is a wasteful number, since it uses less digits than its factorization.

2520547138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54794528.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2520547138 is about 50205.0509211972. The cubic root of 2520547138 is about 1360.9169022372.

The spelling of 2520547138 in words is "two billion, five hundred twenty million, five hundred forty-seven thousand, one hundred thirty-eight".