138514533 has 16 divisors (see below), whose sum is σ = 193070976. Its totient is φ = 88165440.

The previous prime is 138514517. The next prime is 138514549. The reversal of 138514533 is 335415831.

It is an interprime number because it is at equal distance from previous prime (138514517) and next prime (138514549).

It is not a de Polignac number, because 138514533 - 2⁴ = 138514517 is a prime.

It is a super-3 number, since 3×138514533³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138514494 and 138514503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138514573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44091 + ... + 47127.

It is an arithmetic number, because the mean of its divisors is an integer number (12066936).

Almost surely, 2^138514533 is an apocalyptic number.

It is an amenable number.

138514533 is a deficient number, since it is larger than the sum of its proper divisors (54556443).

138514533 is a wasteful number, since it uses less digits than its factorization.

138514533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its digits is 21600, while the sum is 33.

The square root of 138514533 is about 11769.2197277475. The cubic root of 138514533 is about 517.4063813472.

The spelling of 138514533 in words is "one hundred thirty-eight million, five hundred fourteen thousand, five hundred thirty-three".