133968982718 has 4 divisors (see below), whose sum is σ = 200953474080. Its totient is φ = 66984491358.

The previous prime is 133968982621. The next prime is 133968982733. The reversal of 133968982718 is 817289869331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817289869331 = 13 ⋅62868451487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33492245678 + ... + 33492245681.

It is an arithmetic number, because the mean of its divisors is an integer number (50238368520).

Almost surely, 2^133968982718 is an apocalyptic number.

133968982718 is a deficient number, since it is larger than the sum of its proper divisors (66984491362).

133968982718 is an equidigital number, since it uses as much as digits as its factorization.

133968982718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66984491361.

The product of its digits is 31352832, while the sum is 65.

The spelling of 133968982718 in words is "one hundred thirty-three billion, nine hundred sixty-eight million, nine hundred eighty-two thousand, seven hundred eighteen".