113993890 has 8 divisors (see below), whose sum is σ = 205189020. Its totient is φ = 45597552.

The previous prime is 113993879. The next prime is 113993923. The reversal of 113993890 is 98399311.

It can be written as a sum of positive squares in 2 ways, for example, as 111957561 + 2036329 = 10581^2 + 1427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 5699685 + ... + 5699704.

Almost surely, 2^113993890 is an apocalyptic number.

113993890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113993890 is a deficient number, since it is larger than the sum of its proper divisors (91195130).

113993890 is a wasteful number, since it uses less digits than its factorization.

113993890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399396.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 113993890 is about 10676.7921212319. The cubic root of 113993890 is about 484.8720957934.

The spelling of 113993890 in words is "one hundred thirteen million, nine hundred ninety-three thousand, eight hundred ninety".