112138149 has 8 divisors (see below), whose sum is σ = 150841152. Its totient is φ = 74096960.

The previous prime is 112138139. The next prime is 112138177. The reversal of 112138149 is 941831211.

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 112138149 - 2⁹ = 112137637 is a prime.

It is a super-2 number, since 2×112138149² = 25149928922292402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112138139) 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, 165057 + ... + 165734.

It is an arithmetic number, because the mean of its divisors is an integer number (18855144).

Almost surely, 2^112138149 is an apocalyptic number.

It is an amenable number.

112138149 is a deficient number, since it is larger than the sum of its proper divisors (38703003).

112138149 is a wasteful number, since it uses less digits than its factorization.

112138149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330907.

The product of its digits is 1728, while the sum is 30.

The square root of 112138149 is about 10589.5301595491. The cubic root of 112138149 is about 482.2265611320.

The spelling of 112138149 in words is "one hundred twelve million, one hundred thirty-eight thousand, one hundred forty-nine".