137146225 has 24 divisors (see below), whose sum is σ = 180711648. Its totient is φ = 102892800.

The previous prime is 137146159. The next prime is 137146231. The reversal of 137146225 is 522641731.

137146225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137146225 - 2¹¹ = 137144177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198130 + ... + 198820.

It is an arithmetic number, because the mean of its divisors is an integer number (7529652).

Almost surely, 2^137146225 is an apocalyptic number.

It is an amenable number.

137146225 is a deficient number, since it is larger than the sum of its proper divisors (43565423).

137146225 is a wasteful number, since it uses less digits than its factorization.

137146225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1180 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 137146225 is about 11710.9446672760. The cubic root of 137146225 is about 515.6970170606.

Adding to 137146225 its reverse (522641731), we get a palindrome (659787956).

The spelling of 137146225 in words is "one hundred thirty-seven million, one hundred forty-six thousand, two hundred twenty-five".