138467950019 has 24 divisors (see below), whose sum is σ = 170205903360. Its totient is φ = 112089401424.

The previous prime is 138467950001. The next prime is 138467950031. The reversal of 138467950019 is 910059764831.

138467950019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138467950019 - 2¹⁶ = 138467884483 is a prime.

It is a super-2 number, since 2×138467950019² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138467950039) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 688589 + ... + 866654.

It is an arithmetic number, because the mean of its divisors is an integer number (7091912640).

Almost surely, 2^138467950019 is an apocalyptic number.

138467950019 is a deficient number, since it is larger than the sum of its proper divisors (31737953341).

138467950019 is a wasteful number, since it uses less digits than its factorization.

138467950019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555359 (or 1555352 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 138467950019 in words is "one hundred thirty-eight billion, four hundred sixty-seven million, nine hundred fifty thousand, nineteen".