193080739 has 2 divisors, whose sum is σ = 193080740. Its totient is φ = 193080738.

The previous prime is 193080733. The next prime is 193080743. The reversal of 193080739 is 937080391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 193080739 - 2¹⁷ = 192949667 is a prime.

It is a super-2 number, since 2×193080739² = 74560343545572242, which contains 22 as substring.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (193080733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96540369 + 96540370.

It is an arithmetic number, because the mean of its divisors is an integer number (96540370).

Almost surely, 2^193080739 is an apocalyptic number.

193080739 is a deficient number, since it is larger than the sum of its proper divisors (1).

193080739 is an equidigital number, since it uses as much as digits as its factorization.

193080739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 193080739 is about 13895.3495458013. The cubic root of 193080739 is about 577.9802308425.

The spelling of 193080739 in words is "one hundred ninety-three million, eighty thousand, seven hundred thirty-nine".