354138686158 has 4 divisors (see below), whose sum is σ = 531208029240. Its totient is φ = 177069343078.

The previous prime is 354138686101. The next prime is 354138686201. The reversal of 354138686158 is 851686831453.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88534671538 + ... + 88534671541.

It is an arithmetic number, because the mean of its divisors is an integer number (132802007310).

Almost surely, 2^354138686158 is an apocalyptic number.

354138686158 is a deficient number, since it is larger than the sum of its proper divisors (177069343082).

354138686158 is a wasteful number, since it uses less digits than its factorization.

354138686158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177069343081.

The product of its digits is 16588800, while the sum is 58.

The spelling of 354138686158 in words is "three hundred fifty-four billion, one hundred thirty-eight million, six hundred eighty-six thousand, one hundred fifty-eight".