154613240104139 has 2 divisors, whose sum is σ = 154613240104140. Its totient is φ = 154613240104138.

The previous prime is 154613240104097. The next prime is 154613240104247. The reversal of 154613240104139 is 931401042316451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154613240104139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154613240104139.

It is not a weakly prime, because it can be changed into another prime (154613240104039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77306620052069 + 77306620052070.

It is an arithmetic number, because the mean of its divisors is an integer number (77306620052070).

Almost surely, 2^{154613240104139} is an apocalyptic number.

154613240104139 is a deficient number, since it is larger than the sum of its proper divisors (1).

154613240104139 is an equidigital number, since it uses as much as digits as its factorization.

154613240104139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 154613240104139 in words is "one hundred fifty-four trillion, six hundred thirteen billion, two hundred forty million, one hundred four thousand, one hundred thirty-nine".