113643562 has 4 divisors (see below), whose sum is σ = 170465346. Its totient is φ = 56821780.

The previous prime is 113643559. The next prime is 113643571. The reversal of 113643562 is 265346311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265346311 = 10903 ⋅24337.

It can be written as a sum of positive squares in only one way, i.e., 96412761 + 17230801 = 9819^2 + 4151^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28410889 + ... + 28410892.

Almost surely, 2^113643562 is an apocalyptic number.

113643562 is a deficient number, since it is larger than the sum of its proper divisors (56821784).

113643562 is an equidigital number, since it uses as much as digits as its factorization.

113643562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56821783.

The product of its digits is 12960, while the sum is 31.

The square root of 113643562 is about 10660.3734456162. The cubic root of 113643562 is about 484.3748803163.

Adding to 113643562 its reverse (265346311), we get a palindrome (378989873).

The spelling of 113643562 in words is "one hundred thirteen million, six hundred forty-three thousand, five hundred sixty-two".