137122465928 has 108 divisors (see below), whose sum is σ = 305198736885. Its totient is φ = 57588482112.

The previous prime is 137122465901. The next prime is 137122465933. The reversal of 137122465928 is 829564221731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 100082384164 + 37040081764 = 316358^2 + 192458^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=261842.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 432562826 + ... + 432563142.

Almost surely, 2^137122465928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137122465928

137122465928 is an abundant number, since it is smaller than the sum of its proper divisors (168076270957).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137122465928 is an frugal number, since it uses more digits than its factorization.

137122465928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 385 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

Multiplying 137122465928 by its sum of digits (50), we get a square (6856123296400 = 2618420²).

The spelling of 137122465928 in words is "one hundred thirty-seven billion, one hundred twenty-two million, four hundred sixty-five thousand, nine hundred twenty-eight".