117138741 has 8 divisors (see below), whose sum is σ = 156235584. Its totient is φ = 78067200.

The previous prime is 117138737. The next prime is 117138787. The reversal of 117138741 is 147831711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117138741 - 2² = 117138737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117128741) 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 7 ways as a sum of consecutive naturals, for example, 12405 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (19529448).

Almost surely, 2^117138741 is an apocalyptic number.

It is an amenable number.

117138741 is a deficient number, since it is larger than the sum of its proper divisors (39096843).

117138741 is an equidigital number, since it uses as much as digits as its factorization.

117138741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651.

The product of its digits is 4704, while the sum is 33.

The square root of 117138741 is about 10823.0652312550. The cubic root of 117138741 is about 489.2905754975.

The spelling of 117138741 in words is "one hundred seventeen million, one hundred thirty-eight thousand, seven hundred forty-one".