133789419 has 12 divisors (see below), whose sum is σ = 196136616. Its totient is φ = 87861312.

The previous prime is 133789391. The next prime is 133789421. The reversal of 133789419 is 914987331.

It is not a de Polignac number, because 133789419 - 2⁷ = 133789291 is a prime.

It is a super-2 number, since 2×133789419² = 35799217272715122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133789219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110334 + ... + 111539.

It is an arithmetic number, because the mean of its divisors is an integer number (16344718).

Almost surely, 2^133789419 is an apocalyptic number.

133789419 is a deficient number, since it is larger than the sum of its proper divisors (62347197).

133789419 is a wasteful number, since it uses less digits than its factorization.

133789419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221946 (or 221943 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 133789419 is about 11566.7376126547. The cubic root of 133789419 is about 511.4547965889.

The spelling of 133789419 in words is "one hundred thirty-three million, seven hundred eighty-nine thousand, four hundred nineteen".