136454271 has 8 divisors (see below), whose sum is σ = 182944944. Its totient is φ = 90466560.

The previous prime is 136454267. The next prime is 136454287. The reversal of 136454271 is 172454631.

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

It is not a de Polignac number, because 136454271 - 2² = 136454267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136454221) 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 7 ways as a sum of consecutive naturals, for example, 125106 + ... + 126191.

It is an arithmetic number, because the mean of its divisors is an integer number (22868118).

Almost surely, 2^136454271 is an apocalyptic number.

136454271 is a deficient number, since it is larger than the sum of its proper divisors (46490673).

136454271 is a wasteful number, since it uses less digits than its factorization.

136454271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251481.

The product of its digits is 20160, while the sum is 33.

The square root of 136454271 is about 11681.3642610784. The cubic root of 136454271 is about 514.8282595729.

The spelling of 136454271 in words is "one hundred thirty-six million, four hundred fifty-four thousand, two hundred seventy-one".