136841453 has 4 divisors (see below), whose sum is σ = 156390240. Its totient is φ = 117292668.

The previous prime is 136841447. The next prime is 136841461. The reversal of 136841453 is 354148631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354148631 = 193 ⋅1834967.

It is a cyclic number.

It is not a de Polignac number, because 136841453 - 2⁸ = 136841197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136846453) 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, 9774383 + ... + 9774396.

It is an arithmetic number, because the mean of its divisors is an integer number (39097560).

Almost surely, 2^136841453 is an apocalyptic number.

It is an amenable number.

136841453 is a deficient number, since it is larger than the sum of its proper divisors (19548787).

136841453 is an equidigital number, since it uses as much as digits as its factorization.

136841453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19548786.

The product of its digits is 34560, while the sum is 35.

The square root of 136841453 is about 11697.9251579073. The cubic root of 136841453 is about 515.3147326814.

The spelling of 136841453 in words is "one hundred thirty-six million, eight hundred forty-one thousand, four hundred fifty-three".