138429301 has 4 divisors (see below), whose sum is σ = 138460032. Its totient is φ = 138398572.

The previous prime is 138429289. The next prime is 138429329. The reversal of 138429301 is 103924831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103924831 = 739 ⋅140629.

It is a cyclic number.

It is not a de Polignac number, because 138429301 - 2¹⁷ = 138298229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138429331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7141 + ... + 18106.

It is an arithmetic number, because the mean of its divisors is an integer number (34615008).

Almost surely, 2^138429301 is an apocalyptic number.

It is an amenable number.

138429301 is a deficient number, since it is larger than the sum of its proper divisors (30731).

138429301 is an equidigital number, since it uses as much as digits as its factorization.

138429301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30730.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 138429301 is about 11765.5981998367. The cubic root of 138429301 is about 517.3002345334.

The spelling of 138429301 in words is "one hundred thirty-eight million, four hundred twenty-nine thousand, three hundred one".