138262 has 8 divisors (see below), whose sum is σ = 210456. Its totient is φ = 68112.

The previous prime is 138251. The next prime is 138283. The reversal of 138262 is 262831.

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

It is a congruent number.

It is an unprimeable number.

138262 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328 + ... + 619.

It is an arithmetic number, because the mean of its divisors is an integer number (26307).

2¹³⁸²⁶² is an apocalyptic number.

138262 is a deficient number, since it is larger than the sum of its proper divisors (72194).

138262 is an equidigital number, since it uses as much as digits as its factorization.

138262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its digits is 576, while the sum is 22.

The square root of 138262 is about 371.8359853484. The cubic root of 138262 is about 51.7091753298.

It can be divided in two parts, 1382 and 62, that added together give a square (1444 = 38²).

The spelling of 138262 in words is "one hundred thirty-eight thousand, two hundred sixty-two".