136730474 has 4 divisors (see below), whose sum is σ = 205095714. Its totient is φ = 68365236.

The previous prime is 136730459. The next prime is 136730483. The reversal of 136730474 is 474037631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136726249 + 4225 = 11693^2 + 65^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34182617 + ... + 34182620.

Almost surely, 2^136730474 is an apocalyptic number.

136730474 is a deficient number, since it is larger than the sum of its proper divisors (68365240).

136730474 is an equidigital number, since it uses as much as digits as its factorization.

136730474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68365239.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 136730474 is about 11693.1806622493. The cubic root of 136730474 is about 515.1753875253.

The spelling of 136730474 in words is "one hundred thirty-six million, seven hundred thirty thousand, four hundred seventy-four".