116540929 has 4 divisors (see below), whose sum is σ = 116908884. Its totient is φ = 116172976.

The previous prime is 116540917. The next prime is 116540953. The reversal of 116540929 is 929045611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929045611 = 13 ⋅71465047.

It can be written as a sum of positive squares in 2 ways, for example, as 54051904 + 62489025 = 7352^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 116540929 - 2¹¹ = 116538881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116540969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183502 + ... + 184135.

It is an arithmetic number, because the mean of its divisors is an integer number (29227221).

Almost surely, 2^116540929 is an apocalyptic number.

It is an amenable number.

116540929 is a deficient number, since it is larger than the sum of its proper divisors (367955).

116540929 is an equidigital number, since it uses as much as digits as its factorization.

116540929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367954.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 116540929 is about 10795.4124052766. The cubic root of 116540929 is about 488.4567984348.

The spelling of 116540929 in words is "one hundred sixteen million, five hundred forty thousand, nine hundred twenty-nine".