8140814237 has 4 divisors (see below), whose sum is σ = 8157530976. Its totient is φ = 8124097500.

The previous prime is 8140814207. The next prime is 8140814239. The reversal of 8140814237 is 7324180418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8140814237 - 2¹⁴ = 8140797853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8140814237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140814239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357639 + ... + 8358612.

It is an arithmetic number, because the mean of its divisors is an integer number (2039382744).

Almost surely, 2^8140814237 is an apocalyptic number.

It is an amenable number.

8140814237 is a deficient number, since it is larger than the sum of its proper divisors (16716739).

8140814237 is a wasteful number, since it uses less digits than its factorization.

8140814237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16716738.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 8140814237 is about 90226.4608471373. The cubic root of 8140814237 is about 2011.6663357363. Note that the first 3 decimals are identical.

The spelling of 8140814237 in words is "eight billion, one hundred forty million, eight hundred fourteen thousand, two hundred thirty-seven".