138344815306462 has 8 divisors (see below), whose sum is σ = 207518013570600. Its totient is φ = 69172144116264.

The previous prime is 138344815306457. The next prime is 138344815306463. The reversal of 138344815306462 is 264603518443831.

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

It is a junction number, because it is equal to n+sod(n) for n = 138344815306397 and 138344815306406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138344815306463) 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, 131111637 + ... + 132162592.

It is an arithmetic number, because the mean of its divisors is an integer number (25939751696325).

Almost surely, 2^{138344815306462} is an apocalyptic number.

138344815306462 is a deficient number, since it is larger than the sum of its proper divisors (69173198264138).

138344815306462 is a wasteful number, since it uses less digits than its factorization.

138344815306462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263536970.

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 138344815306462 in words is "one hundred thirty-eight trillion, three hundred forty-four billion, eight hundred fifteen million, three hundred six thousand, four hundred sixty-two".