27145134562 has 160 divisors (see below), whose sum is σ = 53757688320. Its totient is φ = 10267115040.

The previous prime is 27145134551. The next prime is 27145134587. The reversal of 27145134562 is 26543154172.

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 in 79 ways as a sum of consecutive naturals, for example, 327049773 + ... + 327049855.

It is an arithmetic number, because the mean of its divisors is an integer number (335985552).

Almost surely, 2^27145134562 is an apocalyptic number.

27145134562 is a deficient number, since it is larger than the sum of its proper divisors (26612553758).

27145134562 is an frugal number, since it uses more digits than its factorization.

27145134562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 136 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The spelling of 27145134562 in words is "twenty-seven billion, one hundred forty-five million, one hundred thirty-four thousand, five hundred sixty-two".