137256221141 has 24 divisors (see below), whose sum is σ = 156725094240. Its totient is φ = 119817921600.

The previous prime is 137256221131. The next prime is 137256221161. The reversal of 137256221141 is 141122652731.

It is not a de Polignac number, because 137256221141 - 2⁶ = 137256221077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137256221131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1796051 + ... + 1870911.

It is an arithmetic number, because the mean of its divisors is an integer number (6530212260).

Almost surely, 2^137256221141 is an apocalyptic number.

It is an amenable number.

137256221141 is a deficient number, since it is larger than the sum of its proper divisors (19468873099).

137256221141 is a wasteful number, since it uses less digits than its factorization.

137256221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75477 (or 75464 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

Adding to 137256221141 its reverse (141122652731), we get a palindrome (278378873872).

The spelling of 137256221141 in words is "one hundred thirty-seven billion, two hundred fifty-six million, two hundred twenty-one thousand, one hundred forty-one".