136261616 has 60 divisors (see below), whose sum is σ = 287999424. Its totient is φ = 62380800.

The previous prime is 136261607. The next prime is 136261651. The reversal of 136261616 is 616162631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178676 + ... + 179436.

Almost surely, 2^136261616 is an apocalyptic number.

136261616 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 136261616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143999712).

136261616 is an abundant number, since it is smaller than the sum of its proper divisors (151737808).

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

136261616 is a wasteful number, since it uses less digits than its factorization.

136261616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 813 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 136261616 is about 11673.1150940955. The cubic root of 136261616 is about 514.5858561349.

The spelling of 136261616 in words is "one hundred thirty-six million, two hundred sixty-one thousand, six hundred sixteen".