137774120055 has 32 divisors (see below), whose sum is σ = 258976811520. Its totient is φ = 61661143680.

The previous prime is 137774120053. The next prime is 137774120123. The reversal of 137774120055 is 550021477731.

It is not a de Polignac number, because 137774120055 - 2¹ = 137774120053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137774119989 and 137774120016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137774120053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32113035 + ... + 32117324.

It is an arithmetic number, because the mean of its divisors is an integer number (8093025360).

Almost surely, 2^137774120055 is an apocalyptic number.

137774120055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137774120055 is a deficient number, since it is larger than the sum of its proper divisors (121202691465).

137774120055 is a wasteful number, since it uses less digits than its factorization.

137774120055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64230391.

The product of its (nonzero) digits is 205800, while the sum is 42.

Adding to 137774120055 its reverse (550021477731), we get a palindrome (687795597786).

The spelling of 137774120055 in words is "one hundred thirty-seven billion, seven hundred seventy-four million, one hundred twenty thousand, fifty-five".