136121120 has 48 divisors (see below), whose sum is σ = 324632448. Its totient is φ = 53932800.

The previous prime is 136121059. The next prime is 136121131. The reversal of 136121120 is 21121631.

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, 13145 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (6763176).

Almost surely, 2^136121120 is an apocalyptic number.

136121120 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 136121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162316224).

136121120 is an abundant number, since it is smaller than the sum of its proper divisors (188511328).

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

136121120 is a wasteful number, since it uses less digits than its factorization.

136121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 136121120 is about 11667.0956111622. The cubic root of 136121120 is about 514.4089363762.

Adding to 136121120 its reverse (21121631), we get a palindrome (157242751).

The spelling of 136121120 in words is "one hundred thirty-six million, one hundred twenty-one thousand, one hundred twenty".