113919641 has 4 divisors (see below), whose sum is σ = 124275984. Its totient is φ = 103563300.

The previous prime is 113919629. The next prime is 113919643. The reversal of 113919641 is 146919311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113919641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113919643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178155 + ... + 5178176.

It is an arithmetic number, because the mean of its divisors is an integer number (31068996).

Almost surely, 2^113919641 is an apocalyptic number.

113919641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113919641 is a deficient number, since it is larger than the sum of its proper divisors (10356343).

113919641 is a wasteful number, since it uses less digits than its factorization.

113919641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356342.

The product of its digits is 5832, while the sum is 35.

The square root of 113919641 is about 10673.3144336705. The cubic root of 113919641 is about 484.7668004206.

The spelling of 113919641 in words is "one hundred thirteen million, nine hundred nineteen thousand, six hundred forty-one".