1338715198774 has 8 divisors (see below), whose sum is σ = 2057050183608. Its totient is φ = 653031804240.

The previous prime is 1338715198763. The next prime is 1338715198801. The reversal of 1338715198774 is 4778915178331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1338715198774² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8162897472 + ... + 8162897635.

It is an arithmetic number, because the mean of its divisors is an integer number (257131272951).

Almost surely, 2^{1338715198774} is an apocalyptic number.

1338715198774 is a deficient number, since it is larger than the sum of its proper divisors (718334984834).

1338715198774 is a wasteful number, since it uses less digits than its factorization.

1338715198774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16325795150.

The product of its digits is 35562240, while the sum is 64.

The spelling of 1338715198774 in words is "one trillion, three hundred thirty-eight billion, seven hundred fifteen million, one hundred ninety-eight thousand, seven hundred seventy-four".