136620441 has 12 divisors (see below), whose sum is σ = 203706880. Its totient is φ = 88142040.

The previous prime is 136620433. The next prime is 136620457. The reversal of 136620441 is 144026631.

136620441 is a `hidden beast` number, since 1 + 36 + 620 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 136620441 - 2³ = 136620433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136620461) 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 11 ways as a sum of consecutive naturals, for example, 244561 + ... + 245118.

Almost surely, 2^136620441 is an apocalyptic number.

It is an amenable number.

136620441 is a deficient number, since it is larger than the sum of its proper divisors (67086439).

136620441 is a wasteful number, since it uses less digits than its factorization.

136620441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489716 (or 489713 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 136620441 is about 11688.4747080190. The cubic root of 136620441 is about 515.0371557068.

The spelling of 136620441 in words is "one hundred thirty-six million, six hundred twenty thousand, four hundred forty-one".