136078441 has 8 divisors (see below), whose sum is σ = 137075400. Its totient is φ = 135085440.

The previous prime is 136078409. The next prime is 136078451. The reversal of 136078441 is 144870631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60388441 + 75690000 = 7771^2 + 8700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136078441 - 2⁵ = 136078409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136078397 and 136078406.

It is not an unprimeable number, because it can be changed into a prime (136078451) 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 7 ways as a sum of consecutive naturals, for example, 104925 + ... + 106213.

It is an arithmetic number, because the mean of its divisors is an integer number (17134425).

Almost surely, 2^136078441 is an apocalyptic number.

It is an amenable number.

136078441 is a deficient number, since it is larger than the sum of its proper divisors (996959).

136078441 is a wasteful number, since it uses less digits than its factorization.

136078441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 136078441 is about 11665.2664350198. The cubic root of 136078441 is about 514.3551686878.

The spelling of 136078441 in words is "one hundred thirty-six million, seventy-eight thousand, four hundred forty-one".