116135478 has 16 divisors (see below), whose sum is σ = 258078960. Its totient is φ = 38711808.

The previous prime is 116135471. The next prime is 116135479. The reversal of 116135478 is 874531611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116135471) 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, 1075275 + ... + 1075382.

It is an arithmetic number, because the mean of its divisors is an integer number (16129935).

Almost surely, 2^116135478 is an apocalyptic number.

116135478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

116135478 is an abundant number, since it is smaller than the sum of its proper divisors (141943482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116135478 is a wasteful number, since it uses less digits than its factorization.

116135478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150668 (or 2150662 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 116135478 is about 10776.6171872253. The cubic root of 116135478 is about 487.8896860523.

The spelling of 116135478 in words is "one hundred sixteen million, one hundred thirty-five thousand, four hundred seventy-eight".