138822870230540 has 24 divisors (see below), whose sum is σ = 291618536165712. Its totient is φ = 55511908343360.

The previous prime is 138822870230537. The next prime is 138822870230543. The reversal of 138822870230540 is 45032078228831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (138822870230537) and next prime (138822870230543).

It is not an unprimeable number, because it can be changed into a prime (138822870230543) 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, 1077418274 + ... + 1077547113.

It is an arithmetic number, because the mean of its divisors is an integer number (12150772340238).

Almost surely, 2^{138822870230540} is an apocalyptic number.

138822870230540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138822870230540 is an abundant number, since it is smaller than the sum of its proper divisors (152795665935172).

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

138822870230540 is a wasteful number, since it uses less digits than its factorization.

138822870230540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154968617 (or 2154968615 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 138822870230540 in words is "one hundred thirty-eight trillion, eight hundred twenty-two billion, eight hundred seventy million, two hundred thirty thousand, five hundred forty".