136793280 has 224 divisors, whose sum is σ = 476731584. Its totient is φ = 33030144.

The previous prime is 136793273. The next prime is 136793281. The reversal of 136793280 is 82397631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (136793281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1210504 + ... + 1210616.

It is an arithmetic number, because the mean of its divisors is an integer number (2128266).

Almost surely, 2^136793280 is an apocalyptic number.

136793280 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 136793280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238365792).

136793280 is an abundant number, since it is smaller than the sum of its proper divisors (339938304).

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

136793280 is a wasteful number, since it uses less digits than its factorization.

136793280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 136793280 is about 11695.8659363042. The cubic root of 136793280 is about 515.2542559529.

The spelling of 136793280 in words is "one hundred thirty-six million, seven hundred ninety-three thousand, two hundred eighty".