7162138 has 8 divisors (see below), whose sum is σ = 10757088. Its totient is φ = 3576444.

The previous prime is 7162109. The next prime is 7162171. The reversal of 7162138 is 8312617.

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (1344636).

Almost surely, 2^7162138 is an apocalyptic number.

7162138 is a deficient number, since it is larger than the sum of its proper divisors (3594950).

7162138 is a wasteful number, since it uses less digits than its factorization.

7162138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628.

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

The square root of 7162138 is about 2676.2171062901. The cubic root of 7162138 is about 192.7588063309.

The spelling of 7162138 in words is "seven million, one hundred sixty-two thousand, one hundred thirty-eight".