135501938 has 32 divisors (see below), whose sum is σ = 242186112. Its totient is φ = 56044800.

The previous prime is 135501931. The next prime is 135501983. The reversal of 135501938 is 839105531.

It is a junction number, because it is equal to n+sod(n) for n = 135501898 and 135501907.

It is not an unprimeable number, because it can be changed into a prime (135501931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16970 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (7568316).

Almost surely, 2^135501938 is an apocalyptic number.

135501938 is a deficient number, since it is larger than the sum of its proper divisors (106684174).

135501938 is a wasteful number, since it uses less digits than its factorization.

135501938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 135501938 is about 11640.5299707530. The cubic root of 135501938 is about 513.6277768618.

The spelling of 135501938 in words is "one hundred thirty-five million, five hundred one thousand, nine hundred thirty-eight".