136860048 has 120 divisors (see below), whose sum is σ = 426873720. Its totient is φ = 40642560.

The previous prime is 136859993. The next prime is 136860049. The reversal of 136860048 is 840068631.

It is a happy number.

136860048 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 600 + 48 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3873024 + 132987024 = 1968^2 + 11532^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 136859994 and 136860021.

It is not an unprimeable number, because it can be changed into a prime (136860049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53028 + ... + 55548.

It is an arithmetic number, because the mean of its divisors is an integer number (3557281).

Almost surely, 2^136860048 is an apocalyptic number.

136860048 is a gapful number since it is divisible by the number (18) 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 136860048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213436860).

136860048 is an abundant number, since it is smaller than the sum of its proper divisors (290013672).

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

136860048 is a wasteful number, since it uses less digits than its factorization.

136860048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 136860048 is about 11698.7199299752. The cubic root of 136860048 is about 515.3380731806.

It can be divided in two parts, 1368 and 60048, that added together give a palindrome (61416).

The spelling of 136860048 in words is "one hundred thirty-six million, eight hundred sixty thousand, forty-eight".