116140140 has 72 divisors (see below), whose sum is σ = 354707808. Its totient is φ = 30758400.

The previous prime is 116140139. The next prime is 116140147. The reversal of 116140140 is 41041611.

116140140 is a `hidden beast` number, since 11 + 614 + 0 + 1 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (116140147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25044 + ... + 29316.

Almost surely, 2^116140140 is an apocalyptic number.

116140140 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 116140140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177353904).

116140140 is an abundant number, since it is smaller than the sum of its proper divisors (238567668).

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

116140140 is a wasteful number, since it uses less digits than its factorization.

116140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4434 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 116140140 is about 10776.8334866973. The cubic root of 116140140 is about 487.8962143797.

Adding to 116140140 its reverse (41041611), we get a palindrome (157181751).

The spelling of 116140140 in words is "one hundred sixteen million, one hundred forty thousand, one hundred forty".