118757540 has 48 divisors (see below), whose sum is σ = 275546880. Its totient is φ = 42631680.

The previous prime is 118757519. The next prime is 118757549. The reversal of 118757540 is 45757811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118757494 and 118757503.

It is not an unprimeable number, because it can be changed into a prime (118757549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13964 + ... + 20796.

It is an arithmetic number, because the mean of its divisors is an integer number (5740560).

Almost surely, 2^118757540 is an apocalyptic number.

118757540 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 118757540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137773440).

118757540 is an abundant number, since it is smaller than the sum of its proper divisors (156789340).

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

118757540 is a wasteful number, since it uses less digits than its factorization.

118757540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932 (or 6930 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 118757540 is about 10897.5933122869. The cubic root of 118757540 is about 491.5341890834.

The spelling of 118757540 in words is "one hundred eighteen million, seven hundred fifty-seven thousand, five hundred forty".