137739851041 has 4 divisors (see below), whose sum is σ = 148335224212. Its totient is φ = 127144477872.

The previous prime is 137739851033. The next prime is 137739851057. The reversal of 137739851041 is 140158937731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140158937731 = 4339 ⋅32302129.

It can be written as a sum of positive squares in 2 ways, for example, as 65917995025 + 71821856016 = 256745^2 + 267996^2 .

It is a cyclic number.

It is not a de Polignac number, because 137739851041 - 2³ = 137739851033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137739851141) 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, 5297686566 + ... + 5297686591.

It is an arithmetic number, because the mean of its divisors is an integer number (37083806053).

Almost surely, 2^137739851041 is an apocalyptic number.

It is an amenable number.

137739851041 is a deficient number, since it is larger than the sum of its proper divisors (10595373171).

137739851041 is a wasteful number, since it uses less digits than its factorization.

137739851041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595373170.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 137739851041 in words is "one hundred thirty-seven billion, seven hundred thirty-nine million, eight hundred fifty-one thousand, forty-one".