8140739 has 8 divisors (see below), whose sum is σ = 8659728. Its totient is φ = 7626240.

The previous prime is 8140711. The next prime is 8140763. The reversal of 8140739 is 9370418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8140739 - 2¹⁶ = 8075203 is a prime.

It is a super-2 number, since 2×8140739² = 132543262932242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8140339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (1082466).

Almost surely, 2^8140739 is an apocalyptic number.

8140739 is a deficient number, since it is larger than the sum of its proper divisors (518989).

8140739 is a wasteful number, since it uses less digits than its factorization.

8140739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 8140739 is about 2853.1980302811. The cubic root of 8140739 is about 201.1660138477.

The spelling of 8140739 in words is "eight million, one hundred forty thousand, seven hundred thirty-nine".