136472228005871 has 16 divisors (see below), whose sum is σ = 139251794457600. Its totient is φ = 133708922732928.

The previous prime is 136472228005831. The next prime is 136472228005877. The reversal of 136472228005871 is 178500822274631.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136472228005871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136472228005877) 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, 19173431 + ... + 25309383.

It is an arithmetic number, because the mean of its divisors is an integer number (8703237153600).

Almost surely, 2^{136472228005871} is an apocalyptic number.

136472228005871 is a deficient number, since it is larger than the sum of its proper divisors (2779566451729).

136472228005871 is an equidigital number, since it uses as much as digits as its factorization.

136472228005871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137278.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 136472228005871 in words is "one hundred thirty-six trillion, four hundred seventy-two billion, two hundred twenty-eight million, five thousand, eight hundred seventy-one".