138015324462 has 16 divisors (see below), whose sum is σ = 276048437760. Its totient is φ = 46002143352.

The previous prime is 138015324443. The next prime is 138015324467. The reversal of 138015324462 is 264423510831.

It is a super-2 number, since 2×138015324462² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138015324462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138015324467) 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, 639262 + ... + 827457.

It is an arithmetic number, because the mean of its divisors is an integer number (17253027360).

Almost surely, 2^138015324462 is an apocalyptic number.

138015324462 is an abundant number, since it is smaller than the sum of its proper divisors (138033113298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138015324462 is a wasteful number, since it uses less digits than its factorization.

138015324462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482407.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 138015324462 in words is "one hundred thirty-eight billion, fifteen million, three hundred twenty-four thousand, four hundred sixty-two".