19113150 has 96 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 4302720.

The previous prime is 19113131. The next prime is 19113163. The reversal of 19113150 is 5131191.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 114367 + ... + 114533.

It is an arithmetic number, because the mean of its divisors is an integer number (572880).

Almost surely, 2^19113150 is an apocalyptic number.

19113150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19113150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).

19113150 is an abundant number, since it is smaller than the sum of its proper divisors (35883330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19113150 is a wasteful number, since it uses less digits than its factorization.

19113150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 21.

The square root of 19113150 is about 4371.8588723791. The cubic root of 19113150 is about 267.3688179684.

The spelling of 19113150 in words is "nineteen million, one hundred thirteen thousand, one hundred fifty".