994153136139 has 12 divisors (see below), whose sum is σ = 1440528943776. Its totient is φ = 660678002352.

The previous prime is 994153136129. The next prime is 994153136161. The reversal of 994153136139 is 931631351499.

994153136139 is a `hidden beast` number, since 9 + 9 + 4 + 1 + 5 + 3 + 13 + 613 + 9 = 666.

It is not a de Polignac number, because 994153136139 - 2³² = 989858168843 is a prime.

It is a super-4 number, since 4×994153136139⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (994153136129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174226579 + ... + 174232284.

It is an arithmetic number, because the mean of its divisors is an integer number (120044078648).

Almost surely, 2^994153136139 is an apocalyptic number.

994153136139 is a deficient number, since it is larger than the sum of its proper divisors (446375807637).

994153136139 is a wasteful number, since it uses less digits than its factorization.

994153136139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348459186 (or 348459183 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The spelling of 994153136139 in words is "nine hundred ninety-four billion, one hundred fifty-three million, one hundred thirty-six thousand, one hundred thirty-nine".