117370138 has 4 divisors (see below), whose sum is σ = 176055210. Its totient is φ = 58685068.

The previous prime is 117370117. The next prime is 117370151. The reversal of 117370138 is 831073711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831073711 = 13 ⋅63928747.

It can be written as a sum of positive squares in only one way, i.e., 114768369 + 2601769 = 10713^2 + 1613^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29342533 + ... + 29342536.

Almost surely, 2^117370138 is an apocalyptic number.

117370138 is a deficient number, since it is larger than the sum of its proper divisors (58685072).

117370138 is an equidigital number, since it uses as much as digits as its factorization.

117370138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58685071.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 117370138 is about 10833.7499509634. The cubic root of 117370138 is about 489.6125466912.

The spelling of 117370138 in words is "one hundred seventeen million, three hundred seventy thousand, one hundred thirty-eight".