354705568139 has 16 divisors (see below), whose sum is σ = 383324025504. Its totient is φ = 326279232000.

The previous prime is 354705568127. The next prime is 354705568153. The reversal of 354705568139 is 931865507453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354705568139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354705568039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5289152 + ... + 5355794.

It is an arithmetic number, because the mean of its divisors is an integer number (23957751594).

Almost surely, 2^354705568139 is an apocalyptic number.

354705568139 is a deficient number, since it is larger than the sum of its proper divisors (28618457365).

354705568139 is a wasteful number, since it uses less digits than its factorization.

354705568139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68078.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 354705568139 in words is "three hundred fifty-four billion, seven hundred five million, five hundred sixty-eight thousand, one hundred thirty-nine".