135894838 has 16 divisors (see below), whose sum is σ = 216106704. Its totient is φ = 63869440.

The previous prime is 135894823. The next prime is 135894881. The reversal of 135894838 is 838498531.

It is a junction number, because it is equal to n+sod(n) for n = 135894791 and 135894800.

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 7 ways as a sum of consecutive naturals, for example, 31173 + ... + 35263.

It is an arithmetic number, because the mean of its divisors is an integer number (13506669).

Almost surely, 2^135894838 is an apocalyptic number.

135894838 is a deficient number, since it is larger than the sum of its proper divisors (80211866).

135894838 is a wasteful number, since it uses less digits than its factorization.

135894838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087.

The product of its digits is 829440, while the sum is 49.

The square root of 135894838 is about 11657.3941341965. The cubic root of 135894838 is about 514.1237343863.

The spelling of 135894838 in words is "one hundred thirty-five million, eight hundred ninety-four thousand, eight hundred thirty-eight".