118535413 has 4 divisors (see below), whose sum is σ = 122359168. Its totient is φ = 114711660.

The previous prime is 118535381. The next prime is 118535479. The reversal of 118535413 is 314535811.

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.

It is a cyclic number.

It is not a de Polignac number, because 118535413 - 2⁵ = 118535381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3823723 = 118535413 / (1 + 1 + 8 + 5 + 3 + 5 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118535113) 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, 1911831 + ... + 1911892.

It is an arithmetic number, because the mean of its divisors is an integer number (30589792).

Almost surely, 2^118535413 is an apocalyptic number.

It is an amenable number.

118535413 is a deficient number, since it is larger than the sum of its proper divisors (3823755).

118535413 is an equidigital number, since it uses as much as digits as its factorization.

118535413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823754.

The product of its digits is 7200, while the sum is 31.

The square root of 118535413 is about 10887.3969799948. The cubic root of 118535413 is about 491.2275386355.

The spelling of 118535413 in words is "one hundred eighteen million, five hundred thirty-five thousand, four hundred thirteen".