138134804744 has 32 divisors (see below), whose sum is σ = 262198020000. Its totient is φ = 68218191360.

The previous prime is 138134804723. The next prime is 138134804747. The reversal of 138134804744 is 447408431831.

It is not an unprimeable number, because it can be changed into a prime (138134804747) 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, 208859 + ... + 565589.

It is an arithmetic number, because the mean of its divisors is an integer number (8193688125).

Almost surely, 2^138134804744 is an apocalyptic number.

It is an amenable number.

138134804744 is a deficient number, since it is larger than the sum of its proper divisors (124063215256).

138134804744 is a wasteful number, since it uses less digits than its factorization.

138134804744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357333 (or 357329 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 138134804744 in words is "one hundred thirty-eight billion, one hundred thirty-four million, eight hundred four thousand, seven hundred forty-four".