19040130 has 64 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 5018112.

The previous prime is 19040101. The next prime is 19040137. The reversal of 19040130 is 3104091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19040137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25827 + ... + 26553.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^19040130 is an apocalyptic number.

19040130 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 19040130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25683840).

19040130 is an abundant number, since it is smaller than the sum of its proper divisors (32327550).

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

19040130 is a wasteful number, since it uses less digits than its factorization.

19040130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 19040130 is about 4363.4997421794. The cubic root of 19040130 is about 267.0278976026.

19040130 divided by its sum of digits (18) gives a triangular number (1057785 = T₁₄₅₄).

The spelling of 19040130 in words is "nineteen million, forty thousand, one hundred thirty".