136025253571 has 4 divisors (see below), whose sum is σ = 136101289600. Its totient is φ = 135949217544.

The previous prime is 136025253569. The next prime is 136025253677. The reversal of 136025253571 is 175352520631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136025253571 - 2¹ = 136025253569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136025253071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38015331 + ... + 38018908.

It is an arithmetic number, because the mean of its divisors is an integer number (34025322400).

Almost surely, 2^136025253571 is an apocalyptic number.

136025253571 is a deficient number, since it is larger than the sum of its proper divisors (76036029).

136025253571 is an equidigital number, since it uses as much as digits as its factorization.

136025253571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76036028.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 136025253571 in words is "one hundred thirty-six billion, twenty-five million, two hundred fifty-three thousand, five hundred seventy-one".