136574194 has 4 divisors (see below), whose sum is σ = 204861294. Its totient is φ = 68287096.

The previous prime is 136574183. The next prime is 136574197. The reversal of 136574194 is 491475631.

136574194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491475631 = 1499 ⋅327869.

It can be written as a sum of positive squares in only one way, i.e., 136539225 + 34969 = 11685^2 + 187^2 .

It is not an unprimeable number, because it can be changed into a prime (136574197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34143547 + ... + 34143550.

Almost surely, 2^136574194 is an apocalyptic number.

136574194 is a deficient number, since it is larger than the sum of its proper divisors (68287100).

136574194 is an equidigital number, since it uses as much as digits as its factorization.

136574194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68287099.

The product of its digits is 90720, while the sum is 40.

The square root of 136574194 is about 11686.4962242753. The cubic root of 136574194 is about 514.9790345567.

The spelling of 136574194 in words is "one hundred thirty-six million, five hundred seventy-four thousand, one hundred ninety-four".