136885072 has 10 divisors (see below), whose sum is σ = 265214858. Its totient is φ = 68442528.

The previous prime is 136885033. The next prime is 136885079. The reversal of 136885072 is 270588631.

It can be written as a sum of positive squares in only one way, i.e., 114832656 + 22052416 = 10716^2 + 4696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136885079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277643 + ... + 4277674.

Almost surely, 2^136885072 is an apocalyptic number.

It is an amenable number.

136885072 is a deficient number, since it is larger than the sum of its proper divisors (128329786).

136885072 is an equidigital number, since it uses as much as digits as its factorization.

136885072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555325 (or 8555319 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 136885072 is about 11699.7893998140. The cubic root of 136885072 is about 515.3694800429.

The spelling of 136885072 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, seventy-two".