154530204139 has 2 divisors, whose sum is σ = 154530204140. Its totient is φ = 154530204138.

The previous prime is 154530204097. The next prime is 154530204151. The reversal of 154530204139 is 931402035451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154530204139 - 2⁹ = 154530203627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154530204098 and 154530204107.

It is not a weakly prime, because it can be changed into another prime (154530204239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77265102069 + 77265102070.

It is an arithmetic number, because the mean of its divisors is an integer number (77265102070).

Almost surely, 2^154530204139 is an apocalyptic number.

154530204139 is a deficient number, since it is larger than the sum of its proper divisors (1).

154530204139 is an equidigital number, since it uses as much as digits as its factorization.

154530204139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 154530204139 in words is "one hundred fifty-four billion, five hundred thirty million, two hundred four thousand, one hundred thirty-nine".