136449120 has 48 divisors (see below), whose sum is σ = 429816240. Its totient is φ = 36386304.

The previous prime is 136449109. The next prime is 136449167. The reversal of 136449120 is 21944631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 141655 + ... + 142614.

It is an arithmetic number, because the mean of its divisors is an integer number (8954505).

Almost surely, 2^136449120 is an apocalyptic number.

136449120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136449120 is an abundant number, since it is smaller than the sum of its proper divisors (293367120).

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

136449120 is a wasteful number, since it uses less digits than its factorization.

136449120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284287 (or 284279 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 136449120 is about 11681.1437796134. The cubic root of 136449120 is about 514.8217814228.

The spelling of 136449120 in words is "one hundred thirty-six million, four hundred forty-nine thousand, one hundred twenty".