138369363 has 16 divisors (see below), whose sum is σ = 205549056. Its totient is φ = 82075040.

The previous prime is 138369359. The next prime is 138369367. The reversal of 138369363 is 363963831.

It is an interprime number because it is at equal distance from previous prime (138369359) and next prime (138369367).

It is a cyclic number.

It is not a de Polignac number, because 138369363 - 2² = 138369359 is a prime.

It is a super-3 number, since 3×138369363³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (138369367) 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, 43056 + ... + 46157.

It is an arithmetic number, because the mean of its divisors is an integer number (12846816).

Almost surely, 2^138369363 is an apocalyptic number.

138369363 is a deficient number, since it is larger than the sum of its proper divisors (67179693).

138369363 is a wasteful number, since it uses less digits than its factorization.

138369363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89274.

The product of its digits is 209952, while the sum is 42.

The square root of 138369363 is about 11763.0507522496. The cubic root of 138369363 is about 517.2255624388.

The spelling of 138369363 in words is "one hundred thirty-eight million, three hundred sixty-nine thousand, three hundred sixty-three".