116639136 has 48 divisors (see below), whose sum is σ = 340200000. Its totient is φ = 38879424.

The previous prime is 116639113. The next prime is 116639147. The reversal of 116639136 is 631936611.

116639136 is a `hidden beast` number, since 1 + 1 + 6 + 639 + 13 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 116639136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66636 + ... + 68363.

It is an arithmetic number, because the mean of its divisors is an integer number (7087500).

Almost surely, 2^116639136 is an apocalyptic number.

116639136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116639136 is an abundant number, since it is smaller than the sum of its proper divisors (223560864).

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

116639136 is a wasteful number, since it uses less digits than its factorization.

116639136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135018 (or 135004 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 116639136 is about 10799.9599999259. The cubic root of 116639136 is about 488.5939645763.

The spelling of 116639136 in words is "one hundred sixteen million, six hundred thirty-nine thousand, one hundred thirty-six".