135606541 has 8 divisors (see below), whose sum is σ = 156720960. Its totient is φ = 114927648.

The previous prime is 135606529. The next prime is 135606547. The reversal of 135606541 is 145606531.

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 135606541 - 2⁵ = 135606509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135606547) 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, 108211 + ... + 109456.

It is an arithmetic number, because the mean of its divisors is an integer number (19590120).

Almost surely, 2^135606541 is an apocalyptic number.

It is an amenable number.

135606541 is a deficient number, since it is larger than the sum of its proper divisors (21114419).

135606541 is an equidigital number, since it uses as much as digits as its factorization.

135606541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217763.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 135606541 is about 11645.0221554104. The cubic root of 135606541 is about 513.7599107336.

The spelling of 135606541 in words is "one hundred thirty-five million, six hundred six thousand, five hundred forty-one".