136651248 has 120 divisors (see below), whose sum is σ = 405353520. Its totient is φ = 42900480.

The previous prime is 136651247. The next prime is 136651261. The reversal of 136651248 is 842156631.

It is a happy number.

136651248 is a `hidden beast` number, since 1 + 366 + 51 + 248 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136651241) 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, 179188 + ... + 179948.

It is an arithmetic number, because the mean of its divisors is an integer number (3377946).

Almost surely, 2^136651248 is an apocalyptic number.

136651248 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 136651248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202676760).

136651248 is an abundant number, since it is smaller than the sum of its proper divisors (268702272).

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

136651248 is a wasteful number, since it uses less digits than its factorization.

136651248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 838 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 136651248 is about 11689.7924703563. The cubic root of 136651248 is about 515.0758652807.

The spelling of 136651248 in words is "one hundred thirty-six million, six hundred fifty-one thousand, two hundred forty-eight".