136815480 has 80 divisors (see below), whose sum is σ = 459862920. Its totient is φ = 36483264.

The previous prime is 136815479. The next prime is 136815491. The reversal of 136815480 is 84518631.

136815480 is a `hidden beast` number, since 1 + 36 + 81 + 548 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17874 + ... + 24353.

Almost surely, 2^136815480 is an apocalyptic number.

136815480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136815480 is an abundant number, since it is smaller than the sum of its proper divisors (323047440).

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

136815480 is a wasteful number, since it uses less digits than its factorization.

136815480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42250 (or 42237 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 136815480 is about 11696.8149510882. The cubic root of 136815480 is about 515.2821277552.

The spelling of 136815480 in words is "one hundred thirty-six million, eight hundred fifteen thousand, four hundred eighty".