253139312548 has 24 divisors (see below), whose sum is σ = 458434226880. Its totient is φ = 122161243680.

The previous prime is 253139312537. The next prime is 253139312581. The reversal of 253139312548 is 845213931352.

It is a junction number, because it is equal to n+sod(n) for n = 253139312498 and 253139312507.

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, 67186 + ... + 714697.

It is an arithmetic number, because the mean of its divisors is an integer number (19101426120).

Almost surely, 2^253139312548 is an apocalyptic number.

It is an amenable number.

253139312548 is a deficient number, since it is larger than the sum of its proper divisors (205294914332).

253139312548 is a wasteful number, since it uses less digits than its factorization.

253139312548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784707 (or 784705 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 253139312548 in words is "two hundred fifty-three billion, one hundred thirty-nine million, three hundred twelve thousand, five hundred forty-eight".