116837513 has 4 divisors (see below), whose sum is σ = 125825028. Its totient is φ = 107850000.

The previous prime is 116837471. The next prime is 116837531. The reversal of 116837513 is 315738611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315738611 = 113 ⋅2794147.

It can be written as a sum of positive squares in 2 ways, for example, as 16096144 + 100741369 = 4012^2 + 10037^2 .

It is a cyclic number.

It is not a de Polignac number, because 116837513 - 2⁸ = 116837257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116837533) 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, 4493738 + ... + 4493763.

It is an arithmetic number, because the mean of its divisors is an integer number (31456257).

Almost surely, 2^116837513 is an apocalyptic number.

116837513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

116837513 is a deficient number, since it is larger than the sum of its proper divisors (8987515).

116837513 is an equidigital number, since it uses as much as digits as its factorization.

116837513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987514.

The product of its digits is 15120, while the sum is 35.

The square root of 116837513 is about 10809.1402525825. The cubic root of 116837513 is about 488.8708039243.

The spelling of 116837513 in words is "one hundred sixteen million, eight hundred thirty-seven thousand, five hundred thirteen".