136768486 has 4 divisors (see below), whose sum is σ = 205152732. Its totient is φ = 68384242.

The previous prime is 136768483. The next prime is 136768501. The reversal of 136768486 is 684867631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684867631 = 7 ⋅97838233.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136768481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34192120 + ... + 34192123.

It is an arithmetic number, because the mean of its divisors is an integer number (51288183).

Almost surely, 2^136768486 is an apocalyptic number.

136768486 is a deficient number, since it is larger than the sum of its proper divisors (68384246).

136768486 is an equidigital number, since it uses as much as digits as its factorization.

136768486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68384245.

The product of its digits is 1161216, while the sum is 49.

The square root of 136768486 is about 11694.8059411005. The cubic root of 136768486 is about 515.2231238536.

The spelling of 136768486 in words is "one hundred thirty-six million, seven hundred sixty-eight thousand, four hundred eighty-six".