136353856 has 14 divisors (see below), whose sum is σ = 270577310. Its totient is φ = 68176896.

The previous prime is 136353851. The next prime is 136353859. The reversal of 136353856 is 658353631.

It can be written as a sum of positive squares in only one way, i.e., 111513600 + 24840256 = 10560^2 + 4984^2 .

It is not an unprimeable number, because it can be changed into a prime (136353851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065201 + ... + 1065328.

Almost surely, 2^136353856 is an apocalyptic number.

136353856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136353856 is a deficient number, since it is larger than the sum of its proper divisors (134223454).

136353856 is an equidigital number, since it uses as much as digits as its factorization.

136353856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130541 (or 2130531 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 136353856 is about 11677.0653847617. The cubic root of 136353856 is about 514.7019433464.

The spelling of 136353856 in words is "one hundred thirty-six million, three hundred fifty-three thousand, eight hundred fifty-six".