136243948 has 12 divisors (see below), whose sum is σ = 238511952. Its totient is φ = 68097680.

The previous prime is 136243937. The next prime is 136243951. The reversal of 136243948 is 849342631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136243948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (19875996).

Almost surely, 2^136243948 is an apocalyptic number.

It is an amenable number.

136243948 is a deficient number, since it is larger than the sum of its proper divisors (102268004).

136243948 is a wasteful number, since it uses less digits than its factorization.

136243948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152 (or 12150 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 136243948 is about 11672.3582878525. The cubic root of 136243948 is about 514.5636143715.

The spelling of 136243948 in words is "one hundred thirty-six million, two hundred forty-three thousand, nine hundred forty-eight".