138361341 has 4 divisors (see below), whose sum is σ = 184481792. Its totient is φ = 92240892.

The previous prime is 138361331. The next prime is 138361343. The reversal of 138361341 is 143163831.

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: 143163831 = 3 ⋅47721277.

It is not a de Polignac number, because 138361341 - 2¹⁴ = 138344957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138361299 and 138361308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138361343) 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, 23060221 + ... + 23060226.

It is an arithmetic number, because the mean of its divisors is an integer number (46120448).

Almost surely, 2^138361341 is an apocalyptic number.

It is an amenable number.

138361341 is a deficient number, since it is larger than the sum of its proper divisors (46120451).

138361341 is an equidigital number, since it uses as much as digits as its factorization.

138361341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46120450.

The product of its digits is 5184, while the sum is 30.

The square root of 138361341 is about 11762.7097643358. The cubic root of 138361341 is about 517.2155668165.

The spelling of 138361341 in words is "one hundred thirty-eight million, three hundred sixty-one thousand, three hundred forty-one".