135031356 has 36 divisors (see below), whose sum is σ = 342053712. Its totient is φ = 44914944.

The previous prime is 135031339. The next prime is 135031361. The reversal of 135031356 is 653130531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14380 + ... + 21836.

It is an arithmetic number, because the mean of its divisors is an integer number (9501492).

Almost surely, 2^135031356 is an apocalyptic number.

It is an amenable number.

135031356 is an abundant number, since it is smaller than the sum of its proper divisors (207022356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135031356 is a wasteful number, since it uses less digits than its factorization.

135031356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7965 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 135031356 is about 11620.2993076771. The cubic root of 135031356 is about 513.0324979697.

Adding to 135031356 its reverse (653130531), we get a palindrome (788161887).

The spelling of 135031356 in words is "one hundred thirty-five million, thirty-one thousand, three hundred fifty-six".