136246125287 has 2 divisors, whose sum is σ = 136246125288. Its totient is φ = 136246125286.

The previous prime is 136246125283. The next prime is 136246125391. The reversal of 136246125287 is 782521642631.

It is a weak prime.

It is an emirp because it is prime and its reverse (782521642631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136246125287 - 2² = 136246125283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136246125283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68123062643 + 68123062644.

It is an arithmetic number, because the mean of its divisors is an integer number (68123062644).

Almost surely, 2^136246125287 is an apocalyptic number.

136246125287 is a deficient number, since it is larger than the sum of its proper divisors (1).

136246125287 is an equidigital number, since it uses as much as digits as its factorization.

136246125287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The spelling of 136246125287 in words is "one hundred thirty-six billion, two hundred forty-six million, one hundred twenty-five thousand, two hundred eighty-seven".