137694538752 has 44 divisors (see below), whose sum is σ = 367006155096. Its totient is φ = 45898178560.

The previous prime is 137694538727. The next prime is 137694538763. The reversal of 137694538752 is 257835496731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22408149 + ... + 22414292.

Almost surely, 2^137694538752 is an apocalyptic number.

137694538752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137694538752 is an abundant number, since it is smaller than the sum of its proper divisors (229311616344).

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

137694538752 is an equidigital number, since it uses as much as digits as its factorization.

137694538752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822464 (or 44822446 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 137694538752 in words is "one hundred thirty-seven billion, six hundred ninety-four million, five hundred thirty-eight thousand, seven hundred fifty-two".