135870448 has 20 divisors (see below), whose sum is σ = 300856240. Its totient is φ = 58230144.

The previous prime is 135870431. The next prime is 135870461. The reversal of 135870448 is 844078531.

It is a self number, because there is not a number n which added to its sum of digits gives 135870448.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 606453 + ... + 606676.

It is an arithmetic number, because the mean of its divisors is an integer number (15042812).

Almost surely, 2^135870448 is an apocalyptic number.

It is an amenable number.

135870448 is an abundant number, since it is smaller than the sum of its proper divisors (164985792).

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

135870448 is a wasteful number, since it uses less digits than its factorization.

135870448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213144 (or 1213138 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 135870448 is about 11656.3479700977. The cubic root of 135870448 is about 514.0929747481.

The spelling of 135870448 in words is "one hundred thirty-five million, eight hundred seventy thousand, four hundred forty-eight".