136939948 has 6 divisors (see below), whose sum is σ = 239644916. Its totient is φ = 68469972.

The previous prime is 136939931. The next prime is 136939949. The reversal of 136939948 is 849939631.

136939948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136939895 and 136939904.

It is not an unprimeable number, because it can be changed into a prime (136939949) 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 as a sum of consecutive naturals, namely, 17117490 + ... + 17117497.

Almost surely, 2^136939948 is an apocalyptic number.

It is an amenable number.

136939948 is a deficient number, since it is larger than the sum of its proper divisors (102704968).

136939948 is a wasteful number, since it uses less digits than its factorization.

136939948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34234991 (or 34234989 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 136939948 is about 11702.1343352399. The cubic root of 136939948 is about 515.4383398456.

The spelling of 136939948 in words is "one hundred thirty-six million, nine hundred thirty-nine thousand, nine hundred forty-eight".