137770333273 has 4 divisors (see below), whose sum is σ = 137773501348. Its totient is φ = 137767165200.

The previous prime is 137770333237. The next prime is 137770333307. The reversal of 137770333273 is 372333077731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372333077731 = 197 ⋅1890015623.

It can be written as a sum of positive squares in 2 ways, for example, as 124381066329 + 13389266944 = 352677^2 + 115712^2 .

It is a cyclic number.

It is not a de Polignac number, because 137770333273 - 2³³ = 129180398681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137770336273) 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, 1517886 + ... + 1606087.

It is an arithmetic number, because the mean of its divisors is an integer number (34443375337).

Almost surely, 2^137770333273 is an apocalyptic number.

It is an amenable number.

137770333273 is a deficient number, since it is larger than the sum of its proper divisors (3168075).

137770333273 is an equidigital number, since it uses as much as digits as its factorization.

137770333273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168074.

The product of its (nonzero) digits is 1166886, while the sum is 46.

The spelling of 137770333273 in words is "one hundred thirty-seven billion, seven hundred seventy million, three hundred thirty-three thousand, two hundred seventy-three".