137253227 has 4 divisors (see below), whose sum is σ = 137471376. Its totient is φ = 137035080.

The previous prime is 137253217. The next prime is 137253251. The reversal of 137253227 is 722352731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722352731 = 31 ⋅23301701.

It is a cyclic number.

It is not a de Polignac number, because 137253227 - 2⁸ = 137252971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137253193 and 137253202.

It is not an unprimeable number, because it can be changed into a prime (137253217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108128 + ... + 109389.

It is an arithmetic number, because the mean of its divisors is an integer number (34367844).

Almost surely, 2^137253227 is an apocalyptic number.

137253227 is a deficient number, since it is larger than the sum of its proper divisors (218149).

137253227 is an equidigital number, since it uses as much as digits as its factorization.

137253227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218148.

The product of its digits is 17640, while the sum is 32.

The square root of 137253227 is about 11715.5122380543. The cubic root of 137253227 is about 515.8310984465.

The spelling of 137253227 in words is "one hundred thirty-seven million, two hundred fifty-three thousand, two hundred twenty-seven".