136134573 has 4 divisors (see below), whose sum is σ = 181512768. Its totient is φ = 90756380.

The previous prime is 136134541. The next prime is 136134577. The reversal of 136134573 is 375431631.

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: 375431631 = 3 ⋅125143877.

It is a cyclic number.

It is not a de Polignac number, because 136134573 - 2⁵ = 136134541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136134577) 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, 22689093 + ... + 22689098.

It is an arithmetic number, because the mean of its divisors is an integer number (45378192).

Almost surely, 2^136134573 is an apocalyptic number.

It is an amenable number.

136134573 is a deficient number, since it is larger than the sum of its proper divisors (45378195).

136134573 is an equidigital number, since it uses as much as digits as its factorization.

136134573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45378194.

The product of its digits is 22680, while the sum is 33.

The square root of 136134573 is about 11667.6721328635. The cubic root of 136134573 is about 514.4258823516.

The spelling of 136134573 in words is "one hundred thirty-six million, one hundred thirty-four thousand, five hundred seventy-three".