13660039354 has 8 divisors (see below), whose sum is σ = 22066217460. Its totient is φ = 6304633536.

The previous prime is 13660039343. The next prime is 13660039357. The reversal of 13660039354 is 45393006631.

It can be written as a sum of positive squares in 2 ways, for example, as 12897009225 + 763030129 = 113565^2 + 27623^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13660039357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262693039 + ... + 262693090.

Almost surely, 2^13660039354 is an apocalyptic number.

13660039354 is a deficient number, since it is larger than the sum of its proper divisors (8406178106).

13660039354 is a wasteful number, since it uses less digits than its factorization.

13660039354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525386144.

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 13660039354 in words is "thirteen billion, six hundred sixty million, thirty-nine thousand, three hundred fifty-four".