162765138 has 8 divisors (see below), whose sum is σ = 325530288. Its totient is φ = 54255044.

The previous prime is 162765103. The next prime is 162765149. The reversal of 162765138 is 831567261.

162765138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

162765138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 162765096 and 162765105.

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, 13563756 + ... + 13563767.

It is an arithmetic number, because the mean of its divisors is an integer number (40691286).

Almost surely, 2^162765138 is an apocalyptic number.

162765138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162765138 is a wasteful number, since it uses less digits than its factorization.

162765138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127528.

The product of its digits is 60480, while the sum is 39.

The square root of 162765138 is about 12757.9441133750. The cubic root of 162765138 is about 545.9930697238.

The spelling of 162765138 in words is "one hundred sixty-two million, seven hundred sixty-five thousand, one hundred thirty-eight".