137239246 has 12 divisors (see below), whose sum is σ = 208221912. Its totient is φ = 67840784.

The previous prime is 137239243. The next prime is 137239307. The reversal of 137239246 is 642932731.

It is a super-3 number, since 3×137239246³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137239243) 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 5 ways as a sum of consecutive naturals, for example, 11511 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (17351826).

Almost surely, 2^137239246 is an apocalyptic number.

137239246 is a deficient number, since it is larger than the sum of its proper divisors (70982666).

137239246 is an frugal number, since it uses more digits than its factorization.

137239246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843 (or 8754 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 137239246 is about 11714.9155353336. The cubic root of 137239246 is about 515.8135831826.

The spelling of 137239246 in words is "one hundred thirty-seven million, two hundred thirty-nine thousand, two hundred forty-six".