117143738 has 32 divisors (see below), whose sum is σ = 188006400. Its totient is φ = 54624240.

The previous prime is 117143701. The next prime is 117143771. The reversal of 117143738 is 837341711.

It is a super-2 number, since 2×117143738² = 27445310705225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117143698 and 117143707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588563 + ... + 588761.

It is an arithmetic number, because the mean of its divisors is an integer number (5875200).

Almost surely, 2^117143738 is an apocalyptic number.

117143738 is a deficient number, since it is larger than the sum of its proper divisors (70862662).

117143738 is a wasteful number, since it uses less digits than its factorization.

117143738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its digits is 14112, while the sum is 35.

The square root of 117143738 is about 10823.2960783673. The cubic root of 117143738 is about 489.2975329174.

The spelling of 117143738 in words is "one hundred seventeen million, one hundred forty-three thousand, seven hundred thirty-eight".