162138512 has 10 divisors (see below), whose sum is σ = 314143398. Its totient is φ = 81069248.

The previous prime is 162138499. The next prime is 162138539. The reversal of 162138512 is 215831261.

It can be written as a sum of positive squares in only one way, i.e., 138674176 + 23464336 = 11776^2 + 4844^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066813 + ... + 5066844.

Almost surely, 2^162138512 is an apocalyptic number.

It is an amenable number.

162138512 is a deficient number, since it is larger than the sum of its proper divisors (152004886).

162138512 is a wasteful number, since it uses less digits than its factorization.

162138512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133665 (or 10133659 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 162138512 is about 12733.3621640162. The cubic root of 162138512 is about 545.2914996447.

Adding to 162138512 its reverse (215831261), we get a palindrome (377969773).

The spelling of 162138512 in words is "one hundred sixty-two million, one hundred thirty-eight thousand, five hundred twelve".