154838077922139 has 16 divisors (see below), whose sum is σ = 211256840957184. Its totient is φ = 100822461213600.

The previous prime is 154838077922137. The next prime is 154838077922141. The reversal of 154838077922139 is 931229770838451.

154838077922139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154838077922137) and next prime (154838077922141).

It is not a de Polignac number, because 154838077922139 - 2¹ = 154838077922137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154838077922137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8287552 + ... + 19451469.

It is an arithmetic number, because the mean of its divisors is an integer number (13203552559824).

Almost surely, 2^{154838077922139} is an apocalyptic number.

154838077922139 is a deficient number, since it is larger than the sum of its proper divisors (56418763035045).

154838077922139 is a wasteful number, since it uses less digits than its factorization.

154838077922139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27782338.

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 154838077922139 in words is "one hundred fifty-four trillion, eight hundred thirty-eight billion, seventy-seven million, nine hundred twenty-two thousand, one hundred thirty-nine".