136538941 has 18 divisors (see below), whose sum is σ = 174590430. Its totient is φ = 106389360.

The previous prime is 136538933. The next prime is 136538957. The reversal of 136538941 is 149835631.

136538941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 3136441 = 11550^2 + 1771^2 .

It is not a de Polignac number, because 136538941 - 2³ = 136538933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136538894 and 136538903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136538141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5586 + ... + 17443.

Almost surely, 2^136538941 is an apocalyptic number.

136538941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136538941 is a deficient number, since it is larger than the sum of its proper divisors (38051489).

136538941 is a wasteful number, since it uses less digits than its factorization.

136538941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23065 (or 23047 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 136538941 is about 11684.9878476616. The cubic root of 136538941 is about 514.9347213581.

The spelling of 136538941 in words is "one hundred thirty-six million, five hundred thirty-eight thousand, nine hundred forty-one".