137225843 has 4 divisors (see below), whose sum is σ = 143192208. Its totient is φ = 131259480.

The previous prime is 137225833. The next prime is 137225861. The reversal of 137225843 is 348522731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137225843 - 2⁶ = 137225779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137225833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983148 + ... + 2983193.

It is an arithmetic number, because the mean of its divisors is an integer number (35798052).

Almost surely, 2^137225843 is an apocalyptic number.

137225843 is a deficient number, since it is larger than the sum of its proper divisors (5966365).

137225843 is an equidigital number, since it uses as much as digits as its factorization.

137225843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966364.

The product of its digits is 40320, while the sum is 35.

The square root of 137225843 is about 11714.3434728541. The cubic root of 137225843 is about 515.7967909147.

The spelling of 137225843 in words is "one hundred thirty-seven million, two hundred twenty-five thousand, eight hundred forty-three".