136328280 has 192 divisors, whose sum is σ = 462520800. Its totient is φ = 32102400.

The previous prime is 136328273. The next prime is 136328323. The reversal of 136328280 is 82823631.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 595206 + ... + 595434.

Almost surely, 2^136328280 is an apocalyptic number.

136328280 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 136328280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231260400).

136328280 is an abundant number, since it is smaller than the sum of its proper divisors (326192520).

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

136328280 is a wasteful number, since it uses less digits than its factorization.

136328280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 136328280 is about 11675.9701952343. The cubic root of 136328280 is about 514.6697603180.

It can be divided in two parts, 13632 and 8280, that added together give a palindrome (21912).

The spelling of 136328280 in words is "one hundred thirty-six million, three hundred twenty-eight thousand, two hundred eighty".