136454 has 4 divisors (see below), whose sum is σ = 204684. Its totient is φ = 68226.

The previous prime is 136453. The next prime is 136463. The reversal of 136454 is 454631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136454.

It is not an unprimeable number, because it can be changed into a prime (136453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34112 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (51171).

2¹³⁶⁴⁵⁴ is an apocalyptic number.

136454 is a deficient number, since it is larger than the sum of its proper divisors (68230).

136454 is an equidigital number, since it uses as much as digits as its factorization.

136454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68229.

The product of its digits is 1440, while the sum is 23.

The square root of 136454 is about 369.3968056169. The cubic root of 136454 is about 51.4827918754.

The spelling of 136454 in words is "one hundred thirty-six thousand, four hundred fifty-four".