137773651872773 has 6 divisors (see below), whose sum is σ = 160267309321446. Its totient is φ = 118091701605192.

The previous prime is 137773651872709. The next prime is 137773651872799. The reversal of 137773651872773 is 377278156377731.

It can be written as a sum of positive squares in only one way, i.e., 81689384615524 + 56084267257249 = 9038218^2 + 7488943^2 .

It is not a de Polignac number, because 137773651872773 - 2⁶ = 137773651872709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137773651872773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137773651272773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405853590490 + ... + 1405853590587.

It is an arithmetic number, because the mean of its divisors is an integer number (26711218220241).

Almost surely, 2^{137773651872773} is an apocalyptic number.

It is an amenable number.

137773651872773 is a deficient number, since it is larger than the sum of its proper divisors (22493657448673).

137773651872773 is an equidigital number, since it uses as much as digits as its factorization.

137773651872773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811707181091 (or 2811707181084 counting only the distinct ones).

The product of its digits is 1524731040, while the sum is 74.

The spelling of 137773651872773 in words is "one hundred thirty-seven trillion, seven hundred seventy-three billion, six hundred fifty-one million, eight hundred seventy-two thousand, seven hundred seventy-three".