117002638 has 4 divisors (see below), whose sum is σ = 175503960. Its totient is φ = 58501318.

The previous prime is 117002629. The next prime is 117002657. The reversal of 117002638 is 836200711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836200711 = 1669 ⋅501019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29250658 + ... + 29250661.

It is an arithmetic number, because the mean of its divisors is an integer number (43875990).

Almost surely, 2^117002638 is an apocalyptic number.

117002638 is a deficient number, since it is larger than the sum of its proper divisors (58501322).

117002638 is an equidigital number, since it uses as much as digits as its factorization.

117002638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58501321.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 117002638 is about 10816.7757672978. The cubic root of 117002638 is about 489.1010005171.

The spelling of 117002638 in words is "one hundred seventeen million, two thousand, six hundred thirty-eight".