136355006261 has 4 divisors (see below), whose sum is σ = 136401594432. Its totient is φ = 136308418092.

The previous prime is 136355006209. The next prime is 136355006273. The reversal of 136355006261 is 162600553631.

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-136355006261 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 (136355006201) 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, 23289695 + ... + 23295548.

It is an arithmetic number, because the mean of its divisors is an integer number (34100398608).

Almost surely, 2^136355006261 is an apocalyptic number.

It is an amenable number.

136355006261 is a deficient number, since it is larger than the sum of its proper divisors (46588171).

136355006261 is an equidigital number, since it uses as much as digits as its factorization.

136355006261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46588170.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 136355006261 its reverse (162600553631), we get a palindrome (298955559892).

The spelling of 136355006261 in words is "one hundred thirty-six billion, three hundred fifty-five million, six thousand, two hundred sixty-one".