388870135 has 8 divisors (see below), whose sum is σ = 482735520. Its totient is φ = 300368544.

The previous prime is 388870133. The next prime is 388870147. The reversal of 388870135 is 531078883.

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

It is not a de Polignac number, because 388870135 - 2¹ = 388870133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388870091 and 388870100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388870133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340787 + ... + 1341076.

It is an arithmetic number, because the mean of its divisors is an integer number (60341940).

Almost surely, 2^388870135 is an apocalyptic number.

388870135 is a deficient number, since it is larger than the sum of its proper divisors (93865385).

388870135 is a wasteful number, since it uses less digits than its factorization.

388870135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681897.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 388870135 is about 19719.7904400630. The cubic root of 388870135 is about 729.9081231715.

The spelling of 388870135 in words is "three hundred eighty-eight million, eight hundred seventy thousand, one hundred thirty-five".