113619840 has 192 divisors, whose sum is σ = 390076560. Its totient is φ = 28033024.

The previous prime is 113619827. The next prime is 113619853. The reversal of 113619840 is 48916311.

It is an interprime number because it is at equal distance from previous prime (113619827) and next prime (113619853).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925731 + ... + 1925789.

Almost surely, 2^113619840 is an apocalyptic number.

113619840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113619840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195038280).

113619840 is an abundant number, since it is smaller than the sum of its proper divisors (276456720).

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

113619840 is an equidigital number, since it uses as much as digits as its factorization.

113619840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 113619840 is about 10659.2607623606. The cubic root of 113619840 is about 484.3411751059.

The spelling of 113619840 in words is "one hundred thirteen million, six hundred nineteen thousand, eight hundred forty".