136882646 has 4 divisors (see below), whose sum is σ = 205323972. Its totient is φ = 68441322.

The previous prime is 136882621. The next prime is 136882651. The reversal of 136882646 is 646288631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646288631 = 131 ⋅4933501.

It is a super-2 number, since 2×136882646² = 37473717551922632, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136882597 and 136882606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34220660 + ... + 34220663.

It is an arithmetic number, because the mean of its divisors is an integer number (51330993).

Almost surely, 2^136882646 is an apocalyptic number.

136882646 is a deficient number, since it is larger than the sum of its proper divisors (68441326).

136882646 is an equidigital number, since it uses as much as digits as its factorization.

136882646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68441325.

The product of its digits is 331776, while the sum is 44.

The square root of 136882646 is about 11699.6857222748. The cubic root of 136882646 is about 515.3664354115.

The spelling of 136882646 in words is "one hundred thirty-six million, eight hundred eighty-two thousand, six hundred forty-six".