116912135 has 4 divisors (see below), whose sum is σ = 140294568. Its totient is φ = 93529704.

The previous prime is 116912123. The next prime is 116912143. The reversal of 116912135 is 531219611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531219611 = 13 ⋅40863047.

It is a cyclic number.

It is not a de Polignac number, because 116912135 - 2⁶ = 116912071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116912098 and 116912107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691209 + ... + 11691218.

It is an arithmetic number, because the mean of its divisors is an integer number (35073642).

Almost surely, 2^116912135 is an apocalyptic number.

116912135 is a deficient number, since it is larger than the sum of its proper divisors (23382433).

116912135 is an equidigital number, since it uses as much as digits as its factorization.

116912135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382432.

The product of its digits is 1620, while the sum is 29.

The square root of 116912135 is about 10812.5915025030. The cubic root of 116912135 is about 488.9748594126.

The spelling of 116912135 in words is "one hundred sixteen million, nine hundred twelve thousand, one hundred thirty-five".