138040404350 has 12 divisors (see below), whose sum is σ = 256755152184. Its totient is φ = 55216161720.

The previous prime is 138040404287. The next prime is 138040404361. The reversal of 138040404350 is 53404040831.

138040404350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138040404350² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1380403994 + ... + 1380404093.

It is an arithmetic number, because the mean of its divisors is an integer number (21396262682).

Almost surely, 2^138040404350 is an apocalyptic number.

138040404350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138040404350 is a deficient number, since it is larger than the sum of its proper divisors (118714747834).

138040404350 is a wasteful number, since it uses less digits than its factorization.

138040404350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760808099 (or 2760808094 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 138040404350 in words is "one hundred thirty-eight billion, forty million, four hundred four thousand, three hundred fifty".