136256061541 has 4 divisors (see below), whose sum is σ = 136281760992. Its totient is φ = 136230362092.

The previous prime is 136256061481. The next prime is 136256061569. The reversal of 136256061541 is 145160652631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136256061541 is a prime.

It is a super-3 number, since 3×136256061541³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136256061494 and 136256061503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136256061241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12841771 + ... + 12852376.

It is an arithmetic number, because the mean of its divisors is an integer number (34070440248).

Almost surely, 2^136256061541 is an apocalyptic number.

It is an amenable number.

136256061541 is a deficient number, since it is larger than the sum of its proper divisors (25699451).

136256061541 is an equidigital number, since it uses as much as digits as its factorization.

136256061541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25699450.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 136256061541 in words is "one hundred thirty-six billion, two hundred fifty-six million, sixty-one thousand, five hundred forty-one".