135606602 has 4 divisors (see below), whose sum is σ = 203409906. Its totient is φ = 67803300.

The previous prime is 135606589. The next prime is 135606619. The reversal of 135606602 is 206606531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206606531 = 8693 ⋅23767.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 9740641 = 11219^2 + 3121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33901649 + ... + 33901652.

Almost surely, 2^135606602 is an apocalyptic number.

135606602 is a deficient number, since it is larger than the sum of its proper divisors (67803304).

135606602 is an equidigital number, since it uses as much as digits as its factorization.

135606602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67803303.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 135606602 is about 11645.0247745550. The cubic root of 135606602 is about 513.7599877686.

The spelling of 135606602 in words is "one hundred thirty-five million, six hundred six thousand, six hundred two".