137805851125 has 16 divisors (see below), whose sum is σ = 173237064624. Its totient is φ = 109439961600.

The previous prime is 137805851111. The next prime is 137805851137. The reversal of 137805851125 is 521158508731.

It can be written as a sum of positive squares in 8 ways, for example, as 15203629809 + 122602221316 = 123303^2 + 350146^2 .

It is not a de Polignac number, because 137805851125 - 2¹⁵ = 137805818357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006404 + ... + 4040653.

It is an arithmetic number, because the mean of its divisors is an integer number (10827316539).

Almost surely, 2^137805851125 is an apocalyptic number.

It is an amenable number.

137805851125 is a deficient number, since it is larger than the sum of its proper divisors (35431213499).

137805851125 is an equidigital number, since it uses as much as digits as its factorization.

137805851125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047209 (or 8047199 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 137805851125 in words is "one hundred thirty-seven billion, eight hundred five million, eight hundred fifty-one thousand, one hundred twenty-five".