135041531 has 8 divisors (see below), whose sum is σ = 143106000. Its totient is φ = 127072800.

The previous prime is 135041519. The next prime is 135041537. The reversal of 135041531 is 135140531.

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

It is a cyclic number.

It is not a de Polignac number, because 135041531 - 2¹⁸ = 134779387 is a prime.

It is a super-2 number, since 2×135041531² = 36472430189647922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135041497 and 135041506.

It is not an unprimeable number, because it can be changed into a prime (135041537) by changing a digit.

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, 21020 + ... + 26681.

It is an arithmetic number, because the mean of its divisors is an integer number (17888250).

Almost surely, 2^135041531 is an apocalyptic number.

135041531 is a deficient number, since it is larger than the sum of its proper divisors (8064469).

135041531 is a wasteful number, since it uses less digits than its factorization.

135041531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47869.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 135041531 is about 11620.7371108721. The cubic root of 135041531 is about 513.0453838029.

The spelling of 135041531 in words is "one hundred thirty-five million, forty-one thousand, five hundred thirty-one".