242136956 has 24 divisors (see below), whose sum is σ = 436512384. Its totient is φ = 117457200.

The previous prime is 242136953. The next prime is 242136959. The reversal of 242136956 is 659631242.

It is an interprime number because it is at equal distance from previous prime (242136953) and next prime (242136959).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242136953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21311 + ... + 30633.

It is an arithmetic number, because the mean of its divisors is an integer number (18188016).

Almost surely, 2^242136956 is an apocalyptic number.

It is an amenable number.

242136956 is a deficient number, since it is larger than the sum of its proper divisors (194375428).

242136956 is a wasteful number, since it uses less digits than its factorization.

242136956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521 (or 9519 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 242136956 is about 15560.7504960397. The cubic root of 242136956 is about 623.2855035570.

The spelling of 242136956 in words is "two hundred forty-two million, one hundred thirty-six thousand, nine hundred fifty-six".