135949738 has 12 divisors (see below), whose sum is σ = 211094370. Its totient is φ = 65588040.

The previous prime is 135949733. The next prime is 135949763. The reversal of 135949738 is 837949531.

It can be written as a sum of positive squares in only one way, i.e., 114854089 + 21095649 = 10717^2 + 4593^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135949691 and 135949700.

It is not an unprimeable number, because it can be changed into a prime (135949733) 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, 88033 + ... + 89563.

Almost surely, 2^135949738 is an apocalyptic number.

135949738 is a deficient number, since it is larger than the sum of its proper divisors (75144632).

135949738 is an frugal number, since it uses more digits than its factorization.

135949738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093 (or 1562 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 135949738 is about 11659.7486250776. The cubic root of 135949738 is about 514.1929584848.

It can be divided in two parts, 13594 and 9738, that added together give a palindrome (23332).

The spelling of 135949738 in words is "one hundred thirty-five million, nine hundred forty-nine thousand, seven hundred thirty-eight".