118535380 has 12 divisors (see below), whose sum is σ = 248924340. Its totient is φ = 47414144.

The previous prime is 118535359. The next prime is 118535381. The reversal of 118535380 is 83535811.

It can be written as a sum of positive squares in 2 ways, for example, as 47941776 + 70593604 = 6924^2 + 8402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118535381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963365 + ... + 2963404.

It is an arithmetic number, because the mean of its divisors is an integer number (20743695).

Almost surely, 2^118535380 is an apocalyptic number.

118535380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118535380 is an abundant number, since it is smaller than the sum of its proper divisors (130388960).

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

118535380 is a wasteful number, since it uses less digits than its factorization.

118535380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926778 (or 5926776 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 118535380 is about 10887.3954644809. The cubic root of 118535380 is about 491.2274930500.

The spelling of 118535380 in words is "one hundred eighteen million, five hundred thirty-five thousand, three hundred eighty".