136856041 has 16 divisors (see below), whose sum is σ = 161873920. Its totient is φ = 113225040.

The previous prime is 136856023. The next prime is 136856051. The reversal of 136856041 is 140658631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136856041 - 2⁷ = 136855913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136855988 and 136856006.

It is not an unprimeable number, because it can be changed into a prime (136856011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131200 + ... + 132238.

It is an arithmetic number, because the mean of its divisors is an integer number (10117120).

Almost surely, 2^136856041 is an apocalyptic number.

It is an amenable number.

136856041 is a deficient number, since it is larger than the sum of its proper divisors (25017879).

136856041 is a wasteful number, since it uses less digits than its factorization.

136856041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 136856041 is about 11698.5486706685. The cubic root of 136856041 is about 515.3330437610. Note that the first 3 decimals are identical.

The spelling of 136856041 in words is "one hundred thirty-six million, eight hundred fifty-six thousand, forty-one".