138485204337 has 16 divisors (see below), whose sum is σ = 186841690560. Its totient is φ = 91229688000.

The previous prime is 138485204287. The next prime is 138485204339. The reversal of 138485204337 is 733402584831.

It is not a de Polignac number, because 138485204337 - 2²² = 138481010033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138485204339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294739 + ... + 603192.

It is an arithmetic number, because the mean of its divisors is an integer number (11677605660).

Almost surely, 2^138485204337 is an apocalyptic number.

It is an amenable number.

138485204337 is a deficient number, since it is larger than the sum of its proper divisors (48356486223).

138485204337 is a wasteful number, since it uses less digits than its factorization.

138485204337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898544.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 138485204337 in words is "one hundred thirty-eight billion, four hundred eighty-five million, two hundred four thousand, three hundred thirty-seven".