137268938 has 4 divisors (see below), whose sum is σ = 205903410. Its totient is φ = 68634468.

The previous prime is 137268913. The next prime is 137268941. The reversal of 137268938 is 839862731.

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

It can be written as a sum of positive squares in only one way, i.e., 107599129 + 29669809 = 10373^2 + 5447^2 .

It is a super-2 number, since 2×137268938² = 37685522679295688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137268892 and 137268901.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34317233 + ... + 34317236.

Almost surely, 2^137268938 is an apocalyptic number.

137268938 is a deficient number, since it is larger than the sum of its proper divisors (68634472).

137268938 is an equidigital number, since it uses as much as digits as its factorization.

137268938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68634471.

The product of its digits is 435456, while the sum is 47.

The square root of 137268938 is about 11716.1827401249. The cubic root of 137268938 is about 515.8507796187.

The spelling of 137268938 in words is "one hundred thirty-seven million, two hundred sixty-eight thousand, nine hundred thirty-eight".