118378131 has 8 divisors (see below), whose sum is σ = 160512960. Its totient is φ = 77581032.

The previous prime is 118378129. The next prime is 118378159. The reversal of 118378131 is 131873811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118378131 - 2¹ = 118378129 is a prime.

It is a super-2 number, since 2×118378131² = 28026763798106322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118378092 and 118378101.

It is not an unprimeable number, because it can be changed into a prime (118378231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334225 + ... + 334578.

It is an arithmetic number, because the mean of its divisors is an integer number (20064120).

Almost surely, 2^118378131 is an apocalyptic number.

118378131 is a deficient number, since it is larger than the sum of its proper divisors (42134829).

118378131 is an equidigital number, since it uses as much as digits as its factorization.

118378131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668865.

The product of its digits is 4032, while the sum is 33.

The square root of 118378131 is about 10880.1714600460. The cubic root of 118378131 is about 491.0101761752.

The spelling of 118378131 in words is "one hundred eighteen million, three hundred seventy-eight thousand, one hundred thirty-one".