138462 has 16 divisors (see below), whose sum is σ = 283392. Its totient is φ = 45080.

The previous prime is 138461. The next prime is 138469. The reversal of 138462 is 264831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (17712).

2¹³⁸⁴⁶² is an apocalyptic number.

138462 is an abundant number, since it is smaller than the sum of its proper divisors (144930).

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

138462 is a wasteful number, since it uses less digits than its factorization.

138462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its digits is 1152, while the sum is 24.

The square root of 138462 is about 372.1048239408. The cubic root of 138462 is about 51.7340962589.

The spelling of 138462 in words is "one hundred thirty-eight thousand, four hundred sixty-two".