48135870 has 128 divisors (see below), whose sum is σ = 136028160. Its totient is φ = 12247200.

The previous prime is 48135869. The next prime is 48135881. The reversal of 48135870 is 7853184.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677935 + ... + 678005.

It is an arithmetic number, because the mean of its divisors is an integer number (1062720).

Almost surely, 2^48135870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48135870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68014080).

48135870 is an abundant number, since it is smaller than the sum of its proper divisors (87892290).

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

48135870 is an equidigital number, since it uses as much as digits as its factorization.

48135870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 48135870 is about 6938.0018737386. The cubic root of 48135870 is about 363.7667013269.

The spelling of 48135870 in words is "forty-eight million, one hundred thirty-five thousand, eight hundred seventy".