136432454 has 4 divisors (see below), whose sum is σ = 204648684. Its totient is φ = 68216226.

The previous prime is 136432427. The next prime is 136432459. The reversal of 136432454 is 454234631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454234631 = 241 ⋅1884791.

It is a super-2 number, since 2×136432454² = 37227629008924232, 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 136432454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136432459) 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 as a sum of consecutive naturals, namely, 34108112 + ... + 34108115.

It is an arithmetic number, because the mean of its divisors is an integer number (51162171).

Almost surely, 2^136432454 is an apocalyptic number.

136432454 is a deficient number, since it is larger than the sum of its proper divisors (68216230).

136432454 is an equidigital number, since it uses as much as digits as its factorization.

136432454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68216229.

The product of its digits is 34560, while the sum is 32.

The square root of 136432454 is about 11680.4303859062. The cubic root of 136432454 is about 514.8008203272.

The spelling of 136432454 in words is "one hundred thirty-six million, four hundred thirty-two thousand, four hundred fifty-four".