136506254 has 8 divisors (see below), whose sum is σ = 204810120. Its totient is φ = 68236216.

The previous prime is 136506197. The next prime is 136506287. The reversal of 136506254 is 452605631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136506254² = 37267914762225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136506254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177 + ... + 18435.

It is an arithmetic number, because the mean of its divisors is an integer number (25601265).

Almost surely, 2^136506254 is an apocalyptic number.

136506254 is a deficient number, since it is larger than the sum of its proper divisors (68303866).

136506254 is a wasteful number, since it uses less digits than its factorization.

136506254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 136506254 is about 11683.5890889743. The cubic root of 136506254 is about 514.8936268189.

The spelling of 136506254 in words is "one hundred thirty-six million, five hundred six thousand, two hundred fifty-four".