395116138 has 8 divisors (see below), whose sum is σ = 592764480. Its totient is φ = 197527980.

The previous prime is 395116129. The next prime is 395116147. The reversal of 395116138 is 831611593.

It is an interprime number because it is at equal distance from previous prime (395116129) and next prime (395116147).

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

It is a super-2 number, since 2×395116138² = 312233525016070088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395116097 and 395116106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9153 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (74095560).

Almost surely, 2^395116138 is an apocalyptic number.

395116138 is a deficient number, since it is larger than the sum of its proper divisors (197648342).

395116138 is a wasteful number, since it uses less digits than its factorization.

395116138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30092.

The product of its digits is 19440, while the sum is 37.

The square root of 395116138 is about 19877.5284680968. The cubic root of 395116138 is about 733.7952949236.

The spelling of 395116138 in words is "three hundred ninety-five million, one hundred sixteen thousand, one hundred thirty-eight".