136648992 has 192 divisors, whose sum is σ = 408167424. Its totient is φ = 39813120.

The previous prime is 136648987. The next prime is 136649017. The reversal of 136648992 is 299846631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1871868 + ... + 1871940.

It is an arithmetic number, because the mean of its divisors is an integer number (2125872).

Almost surely, 2^136648992 is an apocalyptic number.

136648992 is a gapful number since it is divisible by the number (12) 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 136648992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204083712).

136648992 is an abundant number, since it is smaller than the sum of its proper divisors (271518432).

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

136648992 is a wasteful number, since it uses less digits than its factorization.

136648992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 163 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 136648992 is about 11689.6959755162. The cubic root of 136648992 is about 515.0730307718.

The spelling of 136648992 in words is "one hundred thirty-six million, six hundred forty-eight thousand, nine hundred ninety-two".