118134640 has 40 divisors (see below), whose sum is σ = 295793568. Its totient is φ = 43618560.

The previous prime is 118134637. The next prime is 118134701. The reversal of 118134640 is 46431811.

118134640 = 1316² + 1317² + ... + 1380².

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 118134599 and 118134608.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55756 + ... + 57835.

Almost surely, 2^118134640 is an apocalyptic number.

118134640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118134640 is an abundant number, since it is smaller than the sum of its proper divisors (177658928).

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

118134640 is a wasteful number, since it uses less digits than its factorization.

118134640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113617 (or 113611 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 118134640 is about 10868.9760327273. The cubic root of 118134640 is about 490.6732935003.

The spelling of 118134640 in words is "one hundred eighteen million, one hundred thirty-four thousand, six hundred forty".