117467138 has 4 divisors (see below), whose sum is σ = 176200710. Its totient is φ = 58733568.

The previous prime is 117467137. The next prime is 117467143. The reversal of 117467138 is 831764711.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 117440569 + 26569 = 10837^2 + 163^2 .

It is a super-2 number, since 2×117467138² = 27597057019822088, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117467137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29366783 + ... + 29366786.

Almost surely, 2^117467138 is an apocalyptic number.

117467138 is a deficient number, since it is larger than the sum of its proper divisors (58733572).

117467138 is an equidigital number, since it uses as much as digits as its factorization.

117467138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58733571.

The product of its digits is 28224, while the sum is 38.

The square root of 117467138 is about 10838.2257773124. The cubic root of 117467138 is about 489.7473888823.

The spelling of 117467138 in words is "one hundred seventeen million, four hundred sixty-seven thousand, one hundred thirty-eight".