137865100001 has 4 divisors (see below), whose sum is σ = 137867614404. Its totient is φ = 137862585600.

The previous prime is 137865099997. The next prime is 137865100019. The reversal of 137865100001 is 100001568731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16900260001 + 120964840000 = 130001^2 + 347800^2 .

It is a cyclic number.

It is not a de Polignac number, because 137865100001 - 2² = 137865099997 is a prime.

It is a super-3 number, since 3×137865100001³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137865100201) 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 3 ways as a sum of consecutive naturals, for example, 1173080 + ... + 1285241.

It is an arithmetic number, because the mean of its divisors is an integer number (34466903601).

Almost surely, 2^137865100001 is an apocalyptic number.

It is an amenable number.

137865100001 is a deficient number, since it is larger than the sum of its proper divisors (2514403).

137865100001 is an equidigital number, since it uses as much as digits as its factorization.

137865100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514402.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 137865100001 its reverse (100001568731), we get a palindrome (237866668732).

The spelling of 137865100001 in words is "one hundred thirty-seven billion, eight hundred sixty-five million, one hundred thousand, one".