136943616 has 96 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 44113920.

The previous prime is 136943581. The next prime is 136943663. The reversal of 136943616 is 616349631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190105 + ... + 190823.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^136943616 is an apocalyptic number.

136943616 is a gapful number since it is divisible by the number (16) 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 136943616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

136943616 is an abundant number, since it is smaller than the sum of its proper divisors (240451584).

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

136943616 is an equidigital number, since it uses as much as digits as its factorization.

136943616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 755 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 136943616 is about 11702.2910577374. The cubic root of 136943616 is about 515.4429418895.

The spelling of 136943616 in words is "one hundred thirty-six million, nine hundred forty-three thousand, six hundred sixteen".