135011541 has 64 divisors (see below), whose sum is σ = 226492416. Its totient is φ = 69854400.

The previous prime is 135011537. The next prime is 135011543. The reversal of 135011541 is 145110531.

It is a happy number.

It is not a de Polignac number, because 135011541 - 2² = 135011537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135011543) 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 63 ways as a sum of consecutive naturals, for example, 1063020 + ... + 1063146.

It is an arithmetic number, because the mean of its divisors is an integer number (3538944).

Almost surely, 2^135011541 is an apocalyptic number.

It is an amenable number.

135011541 is a deficient number, since it is larger than the sum of its proper divisors (91480875).

135011541 is a wasteful number, since it uses less digits than its factorization.

135011541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 135011541 is about 11619.4466735727. The cubic root of 135011541 is about 513.0074019808.

The spelling of 135011541 in words is "one hundred thirty-five million, eleven thousand, five hundred forty-one".