138114647 has 8 divisors (see below), whose sum is σ = 159533712. Its totient is φ = 118172800.

The previous prime is 138114619. The next prime is 138114649. The reversal of 138114647 is 746411831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138114647 - 2¹² = 138110551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138114649) 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, 369104 + ... + 369477.

It is an arithmetic number, because the mean of its divisors is an integer number (19941714).

Almost surely, 2^138114647 is an apocalyptic number.

138114647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138114647 is a deficient number, since it is larger than the sum of its proper divisors (21419065).

138114647 is a wasteful number, since it uses less digits than its factorization.

138114647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738609.

The product of its digits is 16128, while the sum is 35.

The square root of 138114647 is about 11752.2188117819. The cubic root of 138114647 is about 516.9079908146.

The spelling of 138114647 in words is "one hundred thirty-eight million, one hundred fourteen thousand, six hundred forty-seven".