27191936134154 has 32 divisors (see below), whose sum is σ = 46578166013952. Its totient is φ = 11792793726000.

The previous prime is 27191936134079. The next prime is 27191936134171. The reversal of 27191936134154 is 45143163919172.

It is a self number, because there is not a number n which added to its sum of digits gives 27191936134154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280732382 + ... + 280829225.

It is an arithmetic number, because the mean of its divisors is an integer number (1455567687936).

Almost surely, 2^{27191936134154} is an apocalyptic number.

27191936134154 is a deficient number, since it is larger than the sum of its proper divisors (19386229879798).

27191936134154 is a wasteful number, since it uses less digits than its factorization.

27191936134154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561561722.

The product of its digits is 4898880, while the sum is 56.

The spelling of 27191936134154 in words is "twenty-seven trillion, one hundred ninety-one billion, nine hundred thirty-six million, one hundred thirty-four thousand, one hundred fifty-four".