113143340421 has 12 divisors (see below), whose sum is σ = 173042756172. Its totient is φ = 70991899776.

The previous prime is 113143340419. The next prime is 113143340437. The reversal of 113143340421 is 124043341311.

113143340421 is a `hidden beast` number, since 1 + 1 + 314 + 3 + 340 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38302795521 + 74840544900 = 195711^2 + 273570^2 .

It is not a de Polignac number, because 113143340421 - 2¹ = 113143340419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143340461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369749326 + ... + 369749631.

It is an arithmetic number, because the mean of its divisors is an integer number (14420229681).

Almost surely, 2^113143340421 is an apocalyptic number.

It is an amenable number.

113143340421 is a deficient number, since it is larger than the sum of its proper divisors (59899415751).

113143340421 is a wasteful number, since it uses less digits than its factorization.

113143340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739498980 (or 739498977 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 113143340421 its reverse (124043341311), we get a palindrome (237186681732).

The spelling of 113143340421 in words is "one hundred thirteen billion, one hundred forty-three million, three hundred forty thousand, four hundred twenty-one".