137650543881 has 8 divisors (see below), whose sum is σ = 183727868064. Its totient is φ = 91670124480.

The previous prime is 137650543879. The next prime is 137650543903. The reversal of 137650543881 is 188345056731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137650543881 - 2¹ = 137650543879 is a prime.

It is a super-2 number, since 2×137650543881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137650543781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24222880 + ... + 24228561.

It is an arithmetic number, because the mean of its divisors is an integer number (22965983508).

Almost surely, 2^137650543881 is an apocalyptic number.

It is an amenable number.

137650543881 is a deficient number, since it is larger than the sum of its proper divisors (46077324183).

137650543881 is an equidigital number, since it uses as much as digits as its factorization.

137650543881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452391.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 137650543881 in words is "one hundred thirty-seven billion, six hundred fifty million, five hundred forty-three thousand, eight hundred eighty-one".