136651440452519 has 2 divisors, whose sum is σ = 136651440452520. Its totient is φ = 136651440452518.

The previous prime is 136651440452491. The next prime is 136651440452561. The reversal of 136651440452519 is 915254044156631.

It is a weak prime.

It is an emirp because it is prime and its reverse (915254044156631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136651440452519 - 2¹² = 136651440448423 is a prime.

It is a super-2 number, since 2×136651440452519² (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 (136651440452119) 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 as a sum of consecutive naturals, namely, 68325720226259 + 68325720226260.

It is an arithmetic number, because the mean of its divisors is an integer number (68325720226260).

Almost surely, 2^{136651440452519} is an apocalyptic number.

136651440452519 is a deficient number, since it is larger than the sum of its proper divisors (1).

136651440452519 is an equidigital number, since it uses as much as digits as its factorization.

136651440452519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 136651440452519 in words is "one hundred thirty-six trillion, six hundred fifty-one billion, four hundred forty million, four hundred fifty-two thousand, five hundred nineteen".