137108805472061 has 4 divisors (see below), whose sum is σ = 137200886605500. Its totient is φ = 137016724338624.

The previous prime is 137108805472003. The next prime is 137108805472123. The reversal of 137108805472061 is 160274508801731.

It is a happy number.

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 25227816652900 + 111880988819161 = 5022730^2 + 10577381^2 .

It is a cyclic number.

It is not a de Polignac number, because 137108805472061 - 2⁶ = 137108805471997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137108805471994 and 137108805472012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137108805471061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46040564486 + ... + 46040567463.

It is an arithmetic number, because the mean of its divisors is an integer number (34300221651375).

Almost surely, 2^{137108805472061} is an apocalyptic number.

It is an amenable number.

137108805472061 is a deficient number, since it is larger than the sum of its proper divisors (92081133439).

137108805472061 is an equidigital number, since it uses as much as digits as its factorization.

137108805472061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92081133438.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 137108805472061 in words is "one hundred thirty-seven trillion, one hundred eight billion, eight hundred five million, four hundred seventy-two thousand, sixty-one".