118146057 has 4 divisors (see below), whose sum is σ = 157528080. Its totient is φ = 78764036.

The previous prime is 118146043. The next prime is 118146079. The reversal of 118146057 is 750641811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750641811 = 3 ⋅250213937.

It is a cyclic number.

It is not a de Polignac number, because 118146057 - 2¹¹ = 118144009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118146037) 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, 19691007 + ... + 19691012.

It is an arithmetic number, because the mean of its divisors is an integer number (39382020).

Almost surely, 2^118146057 is an apocalyptic number.

It is an amenable number.

118146057 is a deficient number, since it is larger than the sum of its proper divisors (39382023).

118146057 is an equidigital number, since it uses as much as digits as its factorization.

118146057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39382022.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 118146057 is about 10869.5012305073. The cubic root of 118146057 is about 490.6890998620.

Adding to 118146057 its reverse (750641811), we get a palindrome (868787868).

It can be divided in two parts, 11814 and 6057, that added together give a palindrome (17871).

The spelling of 118146057 in words is "one hundred eighteen million, one hundred forty-six thousand, fifty-seven".