135254566 has 4 divisors (see below), whose sum is σ = 202881852. Its totient is φ = 67627282.

The previous prime is 135254551. The next prime is 135254591. The reversal of 135254566 is 665452531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665452531 = 29 ⋅22946639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33813640 + ... + 33813643.

It is an arithmetic number, because the mean of its divisors is an integer number (50720463).

Almost surely, 2^135254566 is an apocalyptic number.

135254566 is a deficient number, since it is larger than the sum of its proper divisors (67627286).

135254566 is an equidigital number, since it uses as much as digits as its factorization.

135254566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67627285.

The product of its digits is 108000, while the sum is 37.

The square root of 135254566 is about 11629.8996556290. The cubic root of 135254566 is about 513.3150272702.

The spelling of 135254566 in words is "one hundred thirty-five million, two hundred fifty-four thousand, five hundred sixty-six".