19040133 has 8 divisors (see below), whose sum is σ = 29013568. Its totient is φ = 10880064.

The previous prime is 19040101. The next prime is 19040137. The reversal of 19040133 is 33104091.

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

It is not a de Polignac number, because 19040133 - 2⁵ = 19040101 is a prime.

It is a super-3 number, since 3×19040133³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 906673 = 19040133 / (1 + 9 + 0 + 4 + 0 + 1 + 3 + 3).

It is the 4364-th Hogben number.

It is a Duffinian number.

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 nontrivial repunit in base 4363.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453316 + ... + 453357.

It is an arithmetic number, because the mean of its divisors is an integer number (3626696).

Almost surely, 2^19040133 is an apocalyptic number.

It is an amenable number.

19040133 is a deficient number, since it is larger than the sum of its proper divisors (9973435).

19040133 is an equidigital number, since it uses as much as digits as its factorization.

19040133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906683.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 19040133 is about 4363.5000859402. The cubic root of 19040133 is about 267.0279116271.

The spelling of 19040133 in words is "nineteen million, forty thousand, one hundred thirty-three".