116129537 has 4 divisors (see below), whose sum is σ = 116800980. Its totient is φ = 115458096.

The previous prime is 116129521. The next prime is 116129549. The reversal of 116129537 is 735921611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735921611 = 2999 ⋅245389.

It can be written as a sum of positive squares in 2 ways, for example, as 77986561 + 38142976 = 8831^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 116129537 - 2⁴ = 116129521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116129497 and 116129506.

It is not an unprimeable number, because it can be changed into a prime (116123537) 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, 335462 + ... + 335807.

It is an arithmetic number, because the mean of its divisors is an integer number (29200245).

Almost surely, 2^116129537 is an apocalyptic number.

It is an amenable number.

116129537 is a deficient number, since it is larger than the sum of its proper divisors (671443).

116129537 is an equidigital number, since it uses as much as digits as its factorization.

116129537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671442.

The product of its digits is 11340, while the sum is 35.

The square root of 116129537 is about 10776.3415406157. The cubic root of 116129537 is about 487.8813664526.

The spelling of 116129537 in words is "one hundred sixteen million, one hundred twenty-nine thousand, five hundred thirty-seven".