8465138 has 8 divisors (see below), whose sum is σ = 13852080. Its totient is φ = 3847780.

The previous prime is 8465131. The next prime is 8465183. The reversal of 8465138 is 8315648.

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

It is a super-2 number, since 2×8465138² = 143317122718088, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8465098 and 8465107.

It is not an unprimeable number, because it can be changed into a prime (8465131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192368 + ... + 192411.

It is an arithmetic number, because the mean of its divisors is an integer number (1731510).

Almost surely, 2^8465138 is an apocalyptic number.

8465138 is a deficient number, since it is larger than the sum of its proper divisors (5386942).

8465138 is a wasteful number, since it uses less digits than its factorization.

8465138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384792.

The product of its digits is 23040, while the sum is 35.

The square root of 8465138 is about 2909.4910207801. The cubic root of 8465138 is about 203.8033636430.

The spelling of 8465138 in words is "eight million, four hundred sixty-five thousand, one hundred thirty-eight".