19130961 has 8 divisors (see below), whose sum is σ = 26197504. Its totient is φ = 12409200.

The previous prime is 19130959. The next prime is 19131017. The reversal of 19130961 is 16903191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19130961 - 2¹ = 19130959 is a prime.

It is a super-3 number, since 3×19130961³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19130261) 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, 86065 + ... + 86286.

It is an arithmetic number, because the mean of its divisors is an integer number (3274688).

Almost surely, 2^19130961 is an apocalyptic number.

It is an amenable number.

19130961 is a deficient number, since it is larger than the sum of its proper divisors (7066543).

19130961 is a wasteful number, since it uses less digits than its factorization.

19130961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172391.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 19130961 is about 4373.8954034133. The cubic root of 19130961 is about 267.4518433124.

The spelling of 19130961 in words is "nineteen million, one hundred thirty thousand, nine hundred sixty-one".