154134430427 has 2 divisors, whose sum is σ = 154134430428. Its totient is φ = 154134430426.

The previous prime is 154134430421. The next prime is 154134430481. The reversal of 154134430427 is 724034431451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154134430427 - 2⁶ = 154134430363 is a prime.

It is not a weakly prime, because it can be changed into another prime (154134430421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067215213 + 77067215214.

It is an arithmetic number, because the mean of its divisors is an integer number (77067215214).

Almost surely, 2^154134430427 is an apocalyptic number.

154134430427 is a deficient number, since it is larger than the sum of its proper divisors (1).

154134430427 is an equidigital number, since it uses as much as digits as its factorization.

154134430427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 154134430427 its reverse (724034431451), we get a palindrome (878168861878).

The spelling of 154134430427 in words is "one hundred fifty-four billion, one hundred thirty-four million, four hundred thirty thousand, four hundred twenty-seven".