136816486 has 4 divisors (see below), whose sum is σ = 205224732. Its totient is φ = 68408242.

The previous prime is 136816481. The next prime is 136816487. The reversal of 136816486 is 684618631.

It is a happy number.

136816486 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136816481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34204120 + ... + 34204123.

It is an arithmetic number, because the mean of its divisors is an integer number (51306183).

Almost surely, 2^136816486 is an apocalyptic number.

136816486 is a deficient number, since it is larger than the sum of its proper divisors (68408246).

136816486 is an equidigital number, since it uses as much as digits as its factorization.

136816486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68408245.

The product of its digits is 165888, while the sum is 43.

The square root of 136816486 is about 11696.8579541687. The cubic root of 136816486 is about 515.2833907033.

The spelling of 136816486 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred eighty-six".