136649000 has 32 divisors (see below), whose sum is σ = 319761000. Its totient is φ = 54659200.

The previous prime is 136648987. The next prime is 136649017. The reversal of 136649000 is 946631.

It can be written as a sum of positive squares in 4 ways, for example, as 79887844 + 56761156 = 8938^2 + 7534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67325 + ... + 69324.

Almost surely, 2^136649000 is an apocalyptic number.

136649000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136649000 is an abundant number, since it is smaller than the sum of its proper divisors (183112000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136649000 is a wasteful number, since it uses less digits than its factorization.

136649000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136670 (or 136656 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 136649000 is about 11689.6963176979. The cubic root of 136649000 is about 515.0730408233.

The spelling of 136649000 in words is "one hundred thirty-six million, six hundred forty-nine thousand".