67145369139 has 12 divisors (see below), whose sum is σ = 96993001872. Its totient is φ = 44761158000.

The previous prime is 67145369129. The next prime is 67145369189. The reversal of 67145369139 is 93196354176.

67145369139 is a `hidden beast` number, since 6 + 7 + 14 + 536 + 91 + 3 + 9 = 666.

It is not a de Polignac number, because 67145369139 - 2³² = 62850401843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67145369129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17287 + ... + 366864.

It is an arithmetic number, because the mean of its divisors is an integer number (8082750156).

Almost surely, 2^67145369139 is an apocalyptic number.

67145369139 is a deficient number, since it is larger than the sum of its proper divisors (29847632733).

67145369139 is a wasteful number, since it uses less digits than its factorization.

67145369139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403578 (or 403575 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The spelling of 67145369139 in words is "sixty-seven billion, one hundred forty-five million, three hundred sixty-nine thousand, one hundred thirty-nine".