154134016265639 has 2 divisors, whose sum is σ = 154134016265640. Its totient is φ = 154134016265638.

The previous prime is 154134016265617. The next prime is 154134016265651. The reversal of 154134016265639 is 936562610431451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154134016265639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154134016267639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067008132819 + 77067008132820.

It is an arithmetic number, because the mean of its divisors is an integer number (77067008132820).

Almost surely, 2^{154134016265639} is an apocalyptic number.

154134016265639 is a deficient number, since it is larger than the sum of its proper divisors (1).

154134016265639 is an equidigital number, since it uses as much as digits as its factorization.

154134016265639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 154134016265639 in words is "one hundred fifty-four trillion, one hundred thirty-four billion, sixteen million, two hundred sixty-five thousand, six hundred thirty-nine".