135563138 has 16 divisors (see below), whose sum is σ = 219270240. Its totient is φ = 62647200.

The previous prime is 135563137. The next prime is 135563147. The reversal of 135563138 is 831365531.

It is a junction number, because it is equal to n+sod(n) for n = 135563098 and 135563107.

It is not an unprimeable number, because it can be changed into a prime (135563137) 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, 41948 + ... + 45063.

It is an arithmetic number, because the mean of its divisors is an integer number (13704390).

Almost surely, 2^135563138 is an apocalyptic number.

135563138 is a deficient number, since it is larger than the sum of its proper divisors (83707102).

135563138 is a wasteful number, since it uses less digits than its factorization.

135563138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87073.

The product of its digits is 32400, while the sum is 35.

The square root of 135563138 is about 11643.1584202913. The cubic root of 135563138 is about 513.7050925794.

The spelling of 135563138 in words is "one hundred thirty-five million, five hundred sixty-three thousand, one hundred thirty-eight".