117455739 has 8 divisors (see below), whose sum is σ = 164850240. Its totient is φ = 74182536.

The previous prime is 117455731. The next prime is 117455743. The reversal of 117455739 is 937554711.

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

It is not a de Polignac number, because 117455739 - 2³ = 117455731 is a prime.

It is a super-2 number, since 2×117455739² = 27591701248072242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117455739.

It is not an unprimeable number, because it can be changed into a prime (117455731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030257 + ... + 1030370.

It is an arithmetic number, because the mean of its divisors is an integer number (20606280).

Almost surely, 2^117455739 is an apocalyptic number.

117455739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117455739 is a deficient number, since it is larger than the sum of its proper divisors (47394501).

117455739 is a wasteful number, since it uses less digits than its factorization.

117455739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060649.

The product of its digits is 132300, while the sum is 42.

The square root of 117455739 is about 10837.6998943503. The cubic root of 117455739 is about 489.7315466897.

The spelling of 117455739 in words is "one hundred seventeen million, four hundred fifty-five thousand, seven hundred thirty-nine".