113400420320 has 96 divisors (see below), whose sum is σ = 309455881056. Its totient is φ = 38810828800.

The previous prime is 113400420299. The next prime is 113400420407. The reversal of 113400420320 is 23024004311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113400420292 and 113400420301.

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, 1865141 + ... + 1924980.

It is an arithmetic number, because the mean of its divisors is an integer number (3223498761).

Almost surely, 2^113400420320 is an apocalyptic number.

113400420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113400420320 is an abundant number, since it is smaller than the sum of its proper divisors (196055460736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113400420320 is a wasteful number, since it uses less digits than its factorization.

113400420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790164 (or 3790156 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 113400420320 its reverse (23024004311), we get a palindrome (136424424631).

The spelling of 113400420320 in words is "one hundred thirteen billion, four hundred million, four hundred twenty thousand, three hundred twenty".