117405739 has 4 divisors (see below), whose sum is σ = 128079000. Its totient is φ = 106732480.

The previous prime is 117405727. The next prime is 117405749. The reversal of 117405739 is 937504711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117405739 - 2⁵ = 117405707 is a prime.

It is a super-2 number, since 2×117405739² = 27568215100272242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117405698 and 117405707.

It is not an unprimeable number, because it can be changed into a prime (117405719) 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, 5336614 + ... + 5336635.

It is an arithmetic number, because the mean of its divisors is an integer number (32019750).

Almost surely, 2^117405739 is an apocalyptic number.

117405739 is a deficient number, since it is larger than the sum of its proper divisors (10673261).

117405739 is a wasteful number, since it uses less digits than its factorization.

117405739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673260.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 117405739 is about 10835.3928862778. The cubic root of 117405739 is about 489.6620451823.

The spelling of 117405739 in words is "one hundred seventeen million, four hundred five thousand, seven hundred thirty-nine".