136454455 has 4 divisors (see below), whose sum is σ = 163745352. Its totient is φ = 109163560.

The previous prime is 136454453. The next prime is 136454471. The reversal of 136454455 is 554454631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554454631 = 997 ⋅556123.

It is not a de Polignac number, because 136454455 - 2¹ = 136454453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136454453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13645441 + ... + 13645450.

It is an arithmetic number, because the mean of its divisors is an integer number (40936338).

Almost surely, 2^136454455 is an apocalyptic number.

136454455 is a deficient number, since it is larger than the sum of its proper divisors (27290897).

136454455 is an equidigital number, since it uses as much as digits as its factorization.

136454455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27290896.

The product of its digits is 144000, while the sum is 37.

The square root of 136454455 is about 11681.3721368682. The cubic root of 136454455 is about 514.8284909773.

The spelling of 136454455 in words is "one hundred thirty-six million, four hundred fifty-four thousand, four hundred fifty-five".