118537378 has 4 divisors (see below), whose sum is σ = 177806070. Its totient is φ = 59268688.

The previous prime is 118537361. The next prime is 118537403. The reversal of 118537378 is 873735811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118526769 + 10609 = 10887^2 + 103^2 .

It is a super-2 number, since 2×118537378² = 28102219966229768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29634343 + ... + 29634346.

Almost surely, 2^118537378 is an apocalyptic number.

118537378 is a deficient number, since it is larger than the sum of its proper divisors (59268692).

118537378 is an equidigital number, since it uses as much as digits as its factorization.

118537378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59268691.

The product of its digits is 141120, while the sum is 43.

The square root of 118537378 is about 10887.4872215769. The cubic root of 118537378 is about 491.2302530333.

The spelling of 118537378 in words is "one hundred eighteen million, five hundred thirty-seven thousand, three hundred seventy-eight".