135001583 has 8 divisors (see below), whose sum is σ = 141743280. Its totient is φ = 128399040.

The previous prime is 135001577. The next prime is 135001589. The reversal of 135001583 is 385100531.

It is an interprime number because it is at equal distance from previous prime (135001577) and next prime (135001589).

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 135001583 - 2¹⁰ = 135000559 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 (135001589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32798 + ... + 36683.

It is an arithmetic number, because the mean of its divisors is an integer number (17717910).

Almost surely, 2^135001583 is an apocalyptic number.

135001583 is a deficient number, since it is larger than the sum of its proper divisors (6741697).

135001583 is an equidigital number, since it uses as much as digits as its factorization.

135001583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69577.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 135001583 is about 11619.0181598963. The cubic root of 135001583 is about 512.9947891003.

The spelling of 135001583 in words is "one hundred thirty-five million, one thousand, five hundred eighty-three".