16140123389138 has 16 divisors (see below), whose sum is σ = 27701219999040. Its totient is φ = 6909086476656.

The previous prime is 16140123389123. The next prime is 16140123389237. The reversal of 16140123389138 is 83198332104161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675759428 + ... + 675783311.

It is an arithmetic number, because the mean of its divisors is an integer number (1731326249940).

Almost surely, 2^{16140123389138} is an apocalyptic number.

16140123389138 is a deficient number, since it is larger than the sum of its proper divisors (11561096609902).

16140123389138 is a wasteful number, since it uses less digits than its factorization.

16140123389138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351543601.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 16140123389138 in words is "sixteen trillion, one hundred forty billion, one hundred twenty-three million, three hundred eighty-nine thousand, one hundred thirty-eight".