19134436 has 24 divisors (see below), whose sum is σ = 35126784. Its totient is φ = 9102720.

The previous prime is 19134433. The next prime is 19134443. The reversal of 19134436 is 63443191.

It is a super-2 number, since 2×19134436² = 732253282076192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19134398 and 19134407.

It is not an unprimeable number, because it can be changed into a prime (19134433) 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, 21741 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^19134436 is an apocalyptic number.

It is an amenable number.

19134436 is a deficient number, since it is larger than the sum of its proper divisors (15992348).

19134436 is a wasteful number, since it uses less digits than its factorization.

19134436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 19134436 is about 4374.2926285286. The cubic root of 19134436 is about 267.4680358930.

The spelling of 19134436 in words is "nineteen million, one hundred thirty-four thousand, four hundred thirty-six".