135440583 has 32 divisors (see below), whose sum is σ = 194641920. Its totient is φ = 83566560.

The previous prime is 135440579. The next prime is 135440587. The reversal of 135440583 is 385044531.

It is an interprime number because it is at equal distance from previous prime (135440579) and next prime (135440587).

It is not a de Polignac number, because 135440583 - 2² = 135440579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135440587) 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 31 ways as a sum of consecutive naturals, for example, 566578 + ... + 566816.

It is an arithmetic number, because the mean of its divisors is an integer number (6082560).

Almost surely, 2^135440583 is an apocalyptic number.

135440583 is a deficient number, since it is larger than the sum of its proper divisors (59201337).

135440583 is a wasteful number, since it uses less digits than its factorization.

135440583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 135440583 is about 11637.8942682944. The cubic root of 135440583 is about 513.5502419563.

The spelling of 135440583 in words is "one hundred thirty-five million, four hundred forty thousand, five hundred eighty-three".