138830417 has 8 divisors (see below), whose sum is σ = 151566240. Its totient is φ = 126113760.

The previous prime is 138830411. The next prime is 138830423. The reversal of 138830417 is 714038831.

It is an interprime number because it is at equal distance from previous prime (138830411) and next prime (138830423).

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 138830417 - 2¹⁶ = 138764881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138830411) 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, 13373 + ... + 21365.

It is an arithmetic number, because the mean of its divisors is an integer number (18945780).

Almost surely, 2^138830417 is an apocalyptic number.

It is an amenable number.

138830417 is a deficient number, since it is larger than the sum of its proper divisors (12735823).

138830417 is a wasteful number, since it uses less digits than its factorization.

138830417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9583.

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

The square root of 138830417 is about 11782.6320064746. The cubic root of 138830417 is about 517.7993998232.

The spelling of 138830417 in words is "one hundred thirty-eight million, eight hundred thirty thousand, four hundred seventeen".