136982026 has 4 divisors (see below), whose sum is σ = 205473042. Its totient is φ = 68491012.

The previous prime is 136982009. The next prime is 136982081. The reversal of 136982026 is 620289631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620289631 = 13 ⋅47714587.

It can be written as a sum of positive squares in only one way, i.e., 121022001 + 15960025 = 11001^2 + 3995^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34245505 + ... + 34245508.

Almost surely, 2^136982026 is an apocalyptic number.

136982026 is a deficient number, since it is larger than the sum of its proper divisors (68491016).

136982026 is an equidigital number, since it uses as much as digits as its factorization.

136982026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68491015.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 136982026 is about 11703.9320743073. The cubic root of 136982026 is about 515.4911279320.

The spelling of 136982026 in words is "one hundred thirty-six million, nine hundred eighty-two thousand, twenty-six".