242135912 has 8 divisors (see below), whose sum is σ = 454004850. Its totient is φ = 121067952.

The previous prime is 242135909. The next prime is 242135917. The reversal of 242135912 is 219531242.

It can be written as a sum of positive squares in only one way, i.e., 238578916 + 3556996 = 15446^2 + 1886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (242135917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133487 + ... + 15133502.

Almost surely, 2^242135912 is an apocalyptic number.

It is an amenable number.

242135912 is a deficient number, since it is larger than the sum of its proper divisors (211868938).

242135912 is a wasteful number, since it uses less digits than its factorization.

242135912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30266995 (or 30266991 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 242135912 is about 15560.7169500637. The cubic root of 242135912 is about 623.2846077679.

The spelling of 242135912 in words is "two hundred forty-two million, one hundred thirty-five thousand, nine hundred twelve".