154134031423513 has 2 divisors, whose sum is σ = 154134031423514. Its totient is φ = 154134031423512.

The previous prime is 154134031423511. The next prime is 154134031423531. The reversal of 154134031423513 is 315324130431451.

Together with next prime (154134031423531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143920618942864 + 10213412480649 = 11996692^2 + 3195843^2 .

It is a cyclic number.

It is not a de Polignac number, because 154134031423513 - 2¹ = 154134031423511 is a prime.

It is a super-2 number, since 2×154134031423513² (a number of 29 digits) contains 22 as substring.

Together with 154134031423511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (154134031423511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067015711756 + 77067015711757.

It is an arithmetic number, because the mean of its divisors is an integer number (77067015711757).

Almost surely, 2^{154134031423513} is an apocalyptic number.

It is an amenable number.

154134031423513 is a deficient number, since it is larger than the sum of its proper divisors (1).

154134031423513 is an equidigital number, since it uses as much as digits as its factorization.

154134031423513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 154134031423513 its reverse (315324130431451), we get a palindrome (469458161854964).

The spelling of 154134031423513 in words is "one hundred fifty-four trillion, one hundred thirty-four billion, thirty-one million, four hundred twenty-three thousand, five hundred thirteen".