113891149 has 8 divisors (see below), whose sum is σ = 124020000. Its totient is φ = 104175792.

The previous prime is 113891137. The next prime is 113891159. The reversal of 113891149 is 941198311.

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

It is a cyclic number.

It is not a de Polignac number, because 113891149 - 2⁷ = 113891021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113891159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102799 + ... + 103900.

It is an arithmetic number, because the mean of its divisors is an integer number (15502500).

Almost surely, 2^113891149 is an apocalyptic number.

113891149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113891149 is a deficient number, since it is larger than the sum of its proper divisors (10128851).

113891149 is a wasteful number, since it uses less digits than its factorization.

113891149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206747.

The product of its digits is 7776, while the sum is 37.

The square root of 113891149 is about 10671.9796195458. The cubic root of 113891149 is about 484.7263826688.

The spelling of 113891149 in words is "one hundred thirteen million, eight hundred ninety-one thousand, one hundred forty-nine".