8154137311 has 4 divisors (see below), whose sum is σ = 8154443752. Its totient is φ = 8153830872.

The previous prime is 8154137239. The next prime is 8154137323. The reversal of 8154137311 is 1137314518.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8154137311 - 2¹¹ = 8154135263 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 (8154137371) 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 3 ways as a sum of consecutive naturals, for example, 109065 + ... + 167938.

It is an arithmetic number, because the mean of its divisors is an integer number (2038610938).

Almost surely, 2^8154137311 is an apocalyptic number.

8154137311 is a deficient number, since it is larger than the sum of its proper divisors (306441).

8154137311 is a wasteful number, since it uses less digits than its factorization.

8154137311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306440.

The product of its digits is 10080, while the sum is 34.

The square root of 8154137311 is about 90300.2619652900. The cubic root of 8154137311 is about 2012.7631536138.

The spelling of 8154137311 in words is "eight billion, one hundred fifty-four million, one hundred thirty-seven thousand, three hundred eleven".