136085025431 has 8 divisors (see below), whose sum is σ = 139028465664. Its totient is φ = 133143585880.

The previous prime is 136085025379. The next prime is 136085025443. The reversal of 136085025431 is 134520580631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136085025431 - 2⁶ = 136085025367 is a prime.

It is a super-2 number, since 2×136085025431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136085025031) 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 7 ways as a sum of consecutive naturals, for example, 362255 + ... + 635136.

It is an arithmetic number, because the mean of its divisors is an integer number (17378558208).

Almost surely, 2^136085025431 is an apocalyptic number.

136085025431 is a deficient number, since it is larger than the sum of its proper divisors (2943440233).

136085025431 is an equidigital number, since it uses as much as digits as its factorization.

136085025431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000341.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 136085025431 in words is "one hundred thirty-six billion, eighty-five million, twenty-five thousand, four hundred thirty-one".