135690244 has 12 divisors (see below), whose sum is σ = 237810384. Its totient is φ = 67744424.

The previous prime is 135690227. The next prime is 135690253. The reversal of 135690244 is 442096531.

It is a happy number.

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, 22102 + ... + 27565.

It is an arithmetic number, because the mean of its divisors is an integer number (19817532).

Almost surely, 2^135690244 is an apocalyptic number.

It is an amenable number.

135690244 is a deficient number, since it is larger than the sum of its proper divisors (102120140).

135690244 is a wasteful number, since it uses less digits than its factorization.

135690244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50354 (or 50352 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 135690244 is about 11648.6155400545. The cubic root of 135690244 is about 513.8655949202.

The spelling of 135690244 in words is "one hundred thirty-five million, six hundred ninety thousand, two hundred forty-four".