138114669 has 16 divisors (see below), whose sum is σ = 229593600. Its totient is φ = 71747760.

The previous prime is 138114649. The next prime is 138114677. The reversal of 138114669 is 966411831.

It is not a de Polignac number, because 138114669 - 2⁷ = 138114541 is a prime.

It is a super-2 number, since 2×138114669² = 38151323585959122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138114619) 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, 298719 + ... + 299180.

It is an arithmetic number, because the mean of its divisors is an integer number (14349600).

Almost surely, 2^138114669 is an apocalyptic number.

It is an amenable number.

138114669 is a deficient number, since it is larger than the sum of its proper divisors (91478931).

138114669 is a wasteful number, since it uses less digits than its factorization.

138114669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597920.

The product of its digits is 31104, while the sum is 39.

The square root of 138114669 is about 11752.2197477753. The cubic root of 138114669 is about 516.9080182603.

The spelling of 138114669 in words is "one hundred thirty-eight million, one hundred fourteen thousand, six hundred sixty-nine".