136251948 has 60 divisors (see below), whose sum is σ = 370964440. Its totient is φ = 38920896.

The previous prime is 136251943. The next prime is 136251949. The reversal of 136251948 is 849152631.

It is not an unprimeable number, because it can be changed into a prime (136251943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26448 + ... + 31176.

Almost surely, 2^136251948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136251948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185482220).

136251948 is an abundant number, since it is smaller than the sum of its proper divisors (234712492).

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

136251948 is an equidigital number, since it uses as much as digits as its factorization.

136251948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4741 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 136251948 is about 11672.7009727826. The cubic root of 136251948 is about 514.5736855915.

The spelling of 136251948 in words is "one hundred thirty-six million, two hundred fifty-one thousand, nine hundred forty-eight".