116235643140 has 144 divisors (see below), whose sum is σ = 365793896832. Its totient is φ = 30983129856.

The previous prime is 116235643129. The next prime is 116235643169. The reversal of 116235643140 is 41346532611.

116235643140 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 3 + 5 + 643 + 1 + 4 + 0 = 666.

It is a super-3 number, since 3×116235643140³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 116235643095 and 116235643104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18693312 + ... + 18699528.

Almost surely, 2^116235643140 is an apocalyptic number.

116235643140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116235643140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182896948416).

116235643140 is an abundant number, since it is smaller than the sum of its proper divisors (249558253692).

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

116235643140 is a wasteful number, since it uses less digits than its factorization.

116235643140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088 (or 10074 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

It can be divided in two parts, 116235 and 643140, that added together give a 5-th power (759375 = 15⁵).

The spelling of 116235643140 in words is "one hundred sixteen billion, two hundred thirty-five million, six hundred forty-three thousand, one hundred forty".