113121542105134 has 4 divisors (see below), whose sum is σ = 169682313157704. Its totient is φ = 56560771052566.

The previous prime is 113121542105123. The next prime is 113121542105149. The reversal of 113121542105134 is 431501245121311.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 113121542105134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28280385526282 + ... + 28280385526285.

It is an arithmetic number, because the mean of its divisors is an integer number (42420578289426).

Almost surely, 2^{113121542105134} is an apocalyptic number.

113121542105134 is a deficient number, since it is larger than the sum of its proper divisors (56560771052570).

113121542105134 is an equidigital number, since it uses as much as digits as its factorization.

113121542105134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56560771052569.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 113121542105134 its reverse (431501245121311), we get a palindrome (544622787226445).

The spelling of 113121542105134 in words is "one hundred thirteen trillion, one hundred twenty-one billion, five hundred forty-two million, one hundred five thousand, one hundred thirty-four".