8134734157 has 16 divisors (see below), whose sum is σ = 9365428800. Its totient is φ = 6987911040.

The previous prime is 8134734137. The next prime is 8134734163. The reversal of 8134734157 is 7514374318.

It is a happy number.

It is not a de Polignac number, because 8134734157 - 2³¹ = 5987250509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8134734137) 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, 31273 + ... + 131329.

It is an arithmetic number, because the mean of its divisors is an integer number (585339300).

Almost surely, 2^8134734157 is an apocalyptic number.

It is an amenable number.

8134734157 is a deficient number, since it is larger than the sum of its proper divisors (1230694643).

8134734157 is a wasteful number, since it uses less digits than its factorization.

8134734157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100476.

The product of its digits is 282240, while the sum is 43.

The square root of 8134734157 is about 90192.7611119651. The cubic root of 8134734157 is about 2011.1653973719.

The spelling of 8134734157 in words is "eight billion, one hundred thirty-four million, seven hundred thirty-four thousand, one hundred fifty-seven".