137523212 has 12 divisors (see below), whose sum is σ = 241071600. Its totient is φ = 68645616.

The previous prime is 137523209. The next prime is 137523241. The reversal of 137523212 is 212325731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26303 + ... + 31094.

It is an arithmetic number, because the mean of its divisors is an integer number (20089300).

Almost surely, 2^137523212 is an apocalyptic number.

It is an amenable number.

137523212 is a deficient number, since it is larger than the sum of its proper divisors (103548388).

137523212 is a wasteful number, since it uses less digits than its factorization.

137523212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58000 (or 57998 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 137523212 is about 11727.0291207961. The cubic root of 137523212 is about 516.1691000771.

Adding to 137523212 its reverse (212325731), we get a palindrome (349848943).

The spelling of 137523212 in words is "one hundred thirty-seven million, five hundred twenty-three thousand, two hundred twelve".