112138490 has 32 divisors (see below), whose sum is σ = 208483200. Its totient is φ = 43395264.

The previous prime is 112138483. The next prime is 112138493. The reversal of 112138490 is 94831211.

It is not an unprimeable number, because it can be changed into a prime (112138493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72869 + ... + 74391.

It is an arithmetic number, because the mean of its divisors is an integer number (6515100).

Almost surely, 2^112138490 is an apocalyptic number.

112138490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112138490 is a deficient number, since it is larger than the sum of its proper divisors (96344710).

112138490 is a wasteful number, since it uses less digits than its factorization.

112138490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 112138490 is about 10589.5462603456. The cubic root of 112138490 is about 482.2270499311.

The spelling of 112138490 in words is "one hundred twelve million, one hundred thirty-eight thousand, four hundred ninety".