117405156 has 48 divisors (see below), whose sum is σ = 311851008. Its totient is φ = 34029600.

The previous prime is 117405149. The next prime is 117405157. The reversal of 117405156 is 651504711.

It is not an unprimeable number, because it can be changed into a prime (117405157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16300 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (6496896).

Almost surely, 2^117405156 is an apocalyptic number.

It is an amenable number.

117405156 is an abundant number, since it is smaller than the sum of its proper divisors (194445852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117405156 is a wasteful number, since it uses less digits than its factorization.

117405156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38712 (or 38710 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 117405156 is about 10835.3659836666. The cubic root of 117405156 is about 489.6612346784.

Adding to 117405156 its reverse (651504711), we get a palindrome (768909867).

The spelling of 117405156 in words is "one hundred seventeen million, four hundred five thousand, one hundred fifty-six".