117213435 has 12 divisors (see below), whose sum is σ = 203170032. Its totient is φ = 62513808.

The previous prime is 117213433. The next prime is 117213457. The reversal of 117213435 is 534312711.

117213435 is a `hidden beast` number, since 1 + 17 + 213 + 435 = 666.

It is not a de Polignac number, because 117213435 - 2¹ = 117213433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117213399 and 117213408.

It is not an unprimeable number, because it can be changed into a prime (117213433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302327 + ... + 1302416.

It is an arithmetic number, because the mean of its divisors is an integer number (16930836).

Almost surely, 2^117213435 is an apocalyptic number.

117213435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117213435 is a deficient number, since it is larger than the sum of its proper divisors (85956597).

117213435 is a wasteful number, since it uses less digits than its factorization.

117213435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604754 (or 2604751 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 117213435 is about 10826.5153673747. The cubic root of 117213435 is about 489.3945527828.

The spelling of 117213435 in words is "one hundred seventeen million, two hundred thirteen thousand, four hundred thirty-five".