117149355 has 16 divisors (see below), whose sum is σ = 208265760. Its totient is φ = 62479584.

The previous prime is 117149353. The next prime is 117149369. The reversal of 117149355 is 553941711.

It is a happy number.

117149355 is a `hidden beast` number, since 117 + 1 + 493 + 55 = 666.

It is not a de Polignac number, because 117149355 - 2¹ = 117149353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117149353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433752 + ... + 434021.

It is an arithmetic number, because the mean of its divisors is an integer number (13016610).

Almost surely, 2^117149355 is an apocalyptic number.

117149355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117149355 is a deficient number, since it is larger than the sum of its proper divisors (91116405).

117149355 is an equidigital number, since it uses as much as digits as its factorization.

117149355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867787 (or 867781 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 117149355 is about 10823.5555618290. Note that the first 4 decimals coincide. The cubic root of 117149355 is about 489.3053533392.

The spelling of 117149355 in words is "one hundred seventeen million, one hundred forty-nine thousand, three hundred fifty-five".