136903641354191 has 2 divisors, whose sum is σ = 136903641354192. Its totient is φ = 136903641354190.

The previous prime is 136903641354157. The next prime is 136903641354241. The reversal of 136903641354191 is 191453146309631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136903641354191 - 2³⁰ = 136902567612367 is a prime.

It is a super-2 number, since 2×136903641354191² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136903641354121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68451820677095 + 68451820677096.

It is an arithmetic number, because the mean of its divisors is an integer number (68451820677096).

Almost surely, 2^{136903641354191} is an apocalyptic number.

136903641354191 is a deficient number, since it is larger than the sum of its proper divisors (1).

136903641354191 is an equidigital number, since it uses as much as digits as its factorization.

136903641354191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 136903641354191 in words is "one hundred thirty-six trillion, nine hundred three billion, six hundred forty-one million, three hundred fifty-four thousand, one hundred ninety-one".