135248438 has 8 divisors (see below), whose sum is σ = 218478288. Its totient is φ = 62422344.

The previous prime is 135248429. The next prime is 135248453. The reversal of 135248438 is 834842531.

It is a happy number.

135248438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600906 + ... + 2600957.

It is an arithmetic number, because the mean of its divisors is an integer number (27309786).

Almost surely, 2^135248438 is an apocalyptic number.

135248438 is a deficient number, since it is larger than the sum of its proper divisors (83229850).

135248438 is a wasteful number, since it uses less digits than its factorization.

135248438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201878.

The product of its digits is 92160, while the sum is 38.

The square root of 135248438 is about 11629.6361937939. The cubic root of 135248438 is about 513.3072748714.

The spelling of 135248438 in words is "one hundred thirty-five million, two hundred forty-eight thousand, four hundred thirty-eight".