19130870 has 16 divisors (see below), whose sum is σ = 37566288. Its totient is φ = 6956640.

The previous prime is 19130869. The next prime is 19130939. The reversal of 19130870 is 7803191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86849 + ... + 87068.

It is an arithmetic number, because the mean of its divisors is an integer number (2347893).

Almost surely, 2^19130870 is an apocalyptic number.

19130870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19130870 is a deficient number, since it is larger than the sum of its proper divisors (18435418).

19130870 is a wasteful number, since it uses less digits than its factorization.

19130870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173935.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 19130870 is about 4373.8850007745. The cubic root of 19130870 is about 267.4514192501.

The spelling of 19130870 in words is "nineteen million, one hundred thirty thousand, eight hundred seventy".