242105400134 has 32 divisors (see below), whose sum is σ = 394725260160. Its totient is φ = 110708019072.

The previous prime is 242105400083. The next prime is 242105400143. The reversal of 242105400134 is 431004501242.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125272 + ... + 1323044.

It is an arithmetic number, because the mean of its divisors is an integer number (12335164380).

Almost surely, 2^242105400134 is an apocalyptic number.

242105400134 is a deficient number, since it is larger than the sum of its proper divisors (152619860026).

242105400134 is a wasteful number, since it uses less digits than its factorization.

242105400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198224.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 242105400134 its reverse (431004501242), we get a palindrome (673109901376).

The spelling of 242105400134 in words is "two hundred forty-two billion, one hundred five million, four hundred thousand, one hundred thirty-four".