190012419 has 32 divisors (see below), whose sum is σ = 287712000. Its totient is φ = 123913152.

The previous prime is 190012387. The next prime is 190012421. The reversal of 190012419 is 914210091.

It is not a de Polignac number, because 190012419 - 2⁵ = 190012387 is a prime.

It is a super-2 number, since 2×190012419² = 72209438748463122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 190012392 and 190012401.

It is not an unprimeable number, because it can be changed into a prime (190012439) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 256752 + ... + 257490.

It is an arithmetic number, because the mean of its divisors is an integer number (8991000).

Almost surely, 2^190012419 is an apocalyptic number.

190012419 is a deficient number, since it is larger than the sum of its proper divisors (97699581).

190012419 is a wasteful number, since it uses less digits than its factorization.

190012419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 190012419 is about 13784.4992292067. The cubic root of 190012419 is about 574.9022331572.

The spelling of 190012419 in words is "one hundred ninety million, twelve thousand, four hundred nineteen".