136693456 has 10 divisors (see below), whose sum is σ = 264843602. Its totient is φ = 68346720.

The previous prime is 136693451. The next prime is 136693457. The reversal of 136693456 is 654396631.

It can be written as a sum of positive squares in only one way, i.e., 122855056 + 13838400 = 11084^2 + 3720^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136693451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271655 + ... + 4271686.

Almost surely, 2^136693456 is an apocalyptic number.

136693456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136693456 is a deficient number, since it is larger than the sum of its proper divisors (128150146).

136693456 is an equidigital number, since it uses as much as digits as its factorization.

136693456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543349 (or 8543343 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 136693456 is about 11691.5976667006. The cubic root of 136693456 is about 515.1288909806.

The spelling of 136693456 in words is "one hundred thirty-six million, six hundred ninety-three thousand, four hundred fifty-six".