138424703 has 8 divisors (see below), whose sum is σ = 143033856. Its totient is φ = 133824600.

The previous prime is 138424691. The next prime is 138424721. The reversal of 138424703 is 307424831.

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 138424703 - 2¹⁰ = 138423679 is a prime.

It is a super-2 number, since 2×138424703² = 38322796801276418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138424703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138424303) 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, 44468 + ... + 47478.

It is an arithmetic number, because the mean of its divisors is an integer number (17879232).

Almost surely, 2^138424703 is an apocalyptic number.

138424703 is a deficient number, since it is larger than the sum of its proper divisors (4609153).

138424703 is a wasteful number, since it uses less digits than its factorization.

138424703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 138424703 is about 11765.4027980346. The cubic root of 138424703 is about 517.2945070061.

The spelling of 138424703 in words is "one hundred thirty-eight million, four hundred twenty-four thousand, seven hundred three".