136206036431 has 4 divisors (see below), whose sum is σ = 136206846000. Its totient is φ = 136205226864.

The previous prime is 136206036403. The next prime is 136206036443. The reversal of 136206036431 is 134630602631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136206036431 is a prime.

It is a super-2 number, since 2×136206036431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136206036391 and 136206036400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136206036401) 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, 47006 + ... + 524043.

It is an arithmetic number, because the mean of its divisors is an integer number (34051711500).

Almost surely, 2^136206036431 is an apocalyptic number.

136206036431 is a deficient number, since it is larger than the sum of its proper divisors (809569).

136206036431 is an equidigital number, since it uses as much as digits as its factorization.

136206036431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809568.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 136206036431 in words is "one hundred thirty-six billion, two hundred six million, thirty-six thousand, four hundred thirty-one".