74157139994116 has 27 divisors (see below), whose sum is σ = 133378368902037. Its totient is φ = 36076136471280.

The previous prime is 74157139994099. The next prime is 74157139994123. The reversal of 74157139994116 is 61149993175147.

The square root of 74157139994116 is 8611454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 66356827240900 + 7800312753216 = 8145970^2 + 2792904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 637189411 + ... + 637305781.

Almost surely, 2^{74157139994116} is an apocalyptic number.

74157139994116 is the 8611454-th square number.

It is an amenable number.

74157139994116 is a deficient number, since it is larger than the sum of its proper divisors (59221228907921).

74157139994116 is an frugal number, since it uses more digits than its factorization.

74157139994116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232820 (or 116410 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 67.

The spelling of 74157139994116 in words is "seventy-four trillion, one hundred fifty-seven billion, one hundred thirty-nine million, nine hundred ninety-four thousand, one hundred sixteen".