242138476 has 12 divisors (see below), whose sum is σ = 429106720. Its totient is φ = 119536560.

The previous prime is 242138459. The next prime is 242138509. The reversal of 242138476 is 674831242.

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, 382815 + ... + 383446.

Almost surely, 2^242138476 is an apocalyptic number.

It is an amenable number.

242138476 is a deficient number, since it is larger than the sum of its proper divisors (186968244).

242138476 is a wasteful number, since it uses less digits than its factorization.

242138476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766344 (or 766342 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 242138476 is about 15560.7993367950. The cubic root of 242138476 is about 623.2868077666.

The spelling of 242138476 in words is "two hundred forty-two million, one hundred thirty-eight thousand, four hundred seventy-six".