136639300 has 144 divisors (see below), whose sum is σ = 359976960. Its totient is φ = 44029440.

The previous prime is 136639277. The next prime is 136639301. The reversal of 136639300 is 3936631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136639301) 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 in 47 ways as a sum of consecutive naturals, for example, 1075837 + ... + 1075963.

It is an arithmetic number, because the mean of its divisors is an integer number (2499840).

Almost surely, 2^136639300 is an apocalyptic number.

136639300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136639300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179988480).

136639300 is an abundant number, since it is smaller than the sum of its proper divisors (223337660).

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

136639300 is a wasteful number, since it uses less digits than its factorization.

136639300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 136639300 is about 11689.2814150400. The cubic root of 136639300 is about 515.0608530851.

The spelling of 136639300 in words is "one hundred thirty-six million, six hundred thirty-nine thousand, three hundred".