27134734152 has 64 divisors (see below), whose sum is σ = 70529040000. Its totient is φ = 8689089024.

The previous prime is 27134734129. The next prime is 27134734153. The reversal of 27134734152 is 25143743172.

It is a self number, because there is not a number n which added to its sum of digits gives 27134734152.

It is not an unprimeable number, because it can be changed into a prime (27134734153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40548 + ... + 236460.

It is an arithmetic number, because the mean of its divisors is an integer number (1102016250).

Almost surely, 2^27134734152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27134734152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35264520000).

27134734152 is an abundant number, since it is smaller than the sum of its proper divisors (43394305848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27134734152 is a wasteful number, since it uses less digits than its factorization.

27134734152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196150 (or 196146 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The spelling of 27134734152 in words is "twenty-seven billion, one hundred thirty-four million, seven hundred thirty-four thousand, one hundred fifty-two".